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1 /*
2  * EAP peer configuration data
3  * Copyright (c) 2003-2013, 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 #ifndef EAP_CONFIG_H
10 #define EAP_CONFIG_H
11 
12 /**
13  * struct eap_peer_config - EAP peer configuration/credentials
14  */
15 struct eap_peer_config {
16 	/**
17 	 * identity - EAP Identity
18 	 *
19 	 * This field is used to set the real user identity or NAI (for
20 	 * EAP-PSK/PAX/SAKE/GPSK).
21 	 */
22 	u8 *identity;
23 
24 	/**
25 	 * identity_len - EAP Identity length
26 	 */
27 	size_t identity_len;
28 
29 	/**
30 	 * anonymous_identity -  Anonymous EAP Identity
31 	 *
32 	 * This field is used for unencrypted use with EAP types that support
33 	 * different tunnelled identity, e.g., EAP-TTLS, in order to reveal the
34 	 * real identity (identity field) only to the authentication server.
35 	 *
36 	 * If not set, the identity field will be used for both unencrypted and
37 	 * protected fields.
38 	 *
39 	 * This field can also be used with EAP-SIM/AKA/AKA' to store the
40 	 * pseudonym identity.
41 	 */
42 	u8 *anonymous_identity;
43 
44 	/**
45 	 * anonymous_identity_len - Length of anonymous_identity
46 	 */
47 	size_t anonymous_identity_len;
48 
49 	u8 *imsi_identity;
50 	size_t imsi_identity_len;
51 
52 	/**
53 	 * password - Password string for EAP
54 	 *
55 	 * This field can include either the plaintext password (default
56 	 * option) or a NtPasswordHash (16-byte MD4 hash of the unicode
57 	 * presentation of the password) if flags field has
58 	 * EAP_CONFIG_FLAGS_PASSWORD_NTHASH bit set to 1. NtPasswordHash can
59 	 * only be used with authentication mechanism that use this hash as the
60 	 * starting point for operation: MSCHAP and MSCHAPv2 (EAP-MSCHAPv2,
61 	 * EAP-TTLS/MSCHAPv2, EAP-TTLS/MSCHAP, LEAP).
62 	 *
63 	 * In addition, this field is used to configure a pre-shared key for
64 	 * EAP-PSK/PAX/SAKE/GPSK. The length of the PSK must be 16 for EAP-PSK
65 	 * and EAP-PAX and 32 for EAP-SAKE. EAP-GPSK can use a variable length
66 	 * PSK.
67 	 */
68 	u8 *password;
69 
70 	/**
71 	 * password_len - Length of password field
72 	 */
73 	size_t password_len;
74 
75 	/**
76 	 * ca_cert - File path to CA certificate file (PEM/DER)
77 	 *
78 	 * This file can have one or more trusted CA certificates. If ca_cert
79 	 * and ca_path are not included, server certificate will not be
80 	 * verified. This is insecure and a trusted CA certificate should
81 	 * always be configured when using EAP-TLS/TTLS/PEAP. Full path to the
82 	 * file should be used since working directory may change when
83 	 * wpa_supplicant is run in the background.
84 	 *
85 	 * Alternatively, a named configuration blob can be used by setting
86 	 * this to blob://blob_name.
87 	 *
88 	 * Alternatively, this can be used to only perform matching of the
89 	 * server certificate (SHA-256 hash of the DER encoded X.509
90 	 * certificate). In this case, the possible CA certificates in the
91 	 * server certificate chain are ignored and only the server certificate
92 	 * is verified. This is configured with the following format:
93 	 * hash:://server/sha256/cert_hash_in_hex
94 	 * For example: "hash://server/sha256/
95 	 * 5a1bc1296205e6fdbe3979728efe3920798885c1c4590b5f90f43222d239ca6a"
96 	 *
97 	 * On Windows, trusted CA certificates can be loaded from the system
98 	 * certificate store by setting this to cert_store://name, e.g.,
99 	 * ca_cert="cert_store://CA" or ca_cert="cert_store://ROOT".
100 	 * Note that when running wpa_supplicant as an application, the user
101 	 * certificate store (My user account) is used, whereas computer store
102 	 * (Computer account) is used when running wpasvc as a service.
103 	 */
104 	u8 *ca_cert;
105 
106 	/**
107 	 * ca_path - Directory path for CA certificate files (PEM)
108 	 *
109 	 * This path may contain multiple CA certificates in OpenSSL format.
110 	 * Common use for this is to point to system trusted CA list which is
111 	 * often installed into directory like /etc/ssl/certs. If configured,
112 	 * these certificates are added to the list of trusted CAs. ca_cert
113 	 * may also be included in that case, but it is not required.
114 	 */
115 	u8 *ca_path;
116 
117 	/**
118 	 * client_cert - File path to client certificate file (PEM/DER)
119 	 *
120 	 * This field is used with EAP method that use TLS authentication.
121 	 * Usually, this is only configured for EAP-TLS, even though this could
122 	 * in theory be used with EAP-TTLS and EAP-PEAP, too. Full path to the
123 	 * file should be used since working directory may change when
124 	 * wpa_supplicant is run in the background.
125 	 *
126 	 * Alternatively, a named configuration blob can be used by setting
127 	 * this to blob://blob_name.
128 	 */
129 	u8 *client_cert;
130 
131 	/**
132 	 * private_key - File path to client private key file (PEM/DER/PFX)
133 	 *
134 	 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be
135 	 * commented out. Both the private key and certificate will be read
136 	 * from the PKCS#12 file in this case. Full path to the file should be
137 	 * used since working directory may change when wpa_supplicant is run
138 	 * in the background.
139 	 *
140 	 * Windows certificate store can be used by leaving client_cert out and
141 	 * configuring private_key in one of the following formats:
142 	 *
143 	 * cert://substring_to_match
144 	 *
145 	 * hash://certificate_thumbprint_in_hex
146 	 *
147 	 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4"
148 	 *
149 	 * Note that when running wpa_supplicant as an application, the user
150 	 * certificate store (My user account) is used, whereas computer store
151 	 * (Computer account) is used when running wpasvc as a service.
152 	 *
153 	 * Alternatively, a named configuration blob can be used by setting
154 	 * this to blob://blob_name.
155 	 */
156 	u8 *private_key;
157 
158 	/**
159 	 * private_key_passwd - Password for private key file
160 	 *
161 	 * If left out, this will be asked through control interface.
162 	 */
163 	char *private_key_passwd;
164 
165 	/**
166 	 * dh_file - File path to DH/DSA parameters file (in PEM format)
167 	 *
168 	 * This is an optional configuration file for setting parameters for an
169 	 * ephemeral DH key exchange. In most cases, the default RSA
170 	 * authentication does not use this configuration. However, it is
171 	 * possible setup RSA to use ephemeral DH key exchange. In addition,
172 	 * ciphers with DSA keys always use ephemeral DH keys. This can be used
173 	 * to achieve forward secrecy. If the file is in DSA parameters format,
174 	 * it will be automatically converted into DH params. Full path to the
175 	 * file should be used since working directory may change when
176 	 * wpa_supplicant is run in the background.
177 	 *
178 	 * Alternatively, a named configuration blob can be used by setting
179 	 * this to blob://blob_name.
180 	 */
181 	u8 *dh_file;
182 
183 	/**
184 	 * subject_match - Constraint for server certificate subject
185 	 *
186 	 * This substring is matched against the subject of the authentication
187 	 * server certificate. If this string is set, the server certificate is
188 	 * only accepted if it contains this string in the subject. The subject
189 	 * string is in following format:
190 	 *
191 	 * /C=US/ST=CA/L=San Francisco/CN=Test AS/emailAddress=as@n.example.com
192 	 *
193 	 * Note: Since this is a substring match, this cannot be used securely
194 	 * to do a suffix match against a possible domain name in the CN entry.
195 	 * For such a use case, domain_suffix_match should be used instead.
196 	 */
197 	u8 *subject_match;
198 
199 	/**
200 	 * altsubject_match - Constraint for server certificate alt. subject
201 	 *
202 	 * Semicolon separated string of entries to be matched against the
203 	 * alternative subject name of the authentication server certificate.
204 	 * If this string is set, the server certificate is only accepted if it
205 	 * contains one of the entries in an alternative subject name
206 	 * extension.
207 	 *
208 	 * altSubjectName string is in following format: TYPE:VALUE
209 	 *
210 	 * Example: EMAIL:server@example.com
211 	 * Example: DNS:server.example.com;DNS:server2.example.com
212 	 *
213 	 * Following types are supported: EMAIL, DNS, URI
214 	 */
215 	u8 *altsubject_match;
216 
217 	/**
218 	 * domain_suffix_match - Constraint for server domain name
219 	 *
220 	 * If set, this FQDN is used as a suffix match requirement for the
221 	 * server certificate in SubjectAltName dNSName element(s). If a
222 	 * matching dNSName is found, this constraint is met. If no dNSName
223 	 * values are present, this constraint is matched against SubjectName CN
224 	 * using same suffix match comparison. Suffix match here means that the
225 	 * host/domain name is compared one label at a time starting from the
226 	 * top-level domain and all the labels in domain_suffix_match shall be
227 	 * included in the certificate. The certificate may include additional
228 	 * sub-level labels in addition to the required labels.
229 	 *
230 	 * For example, domain_suffix_match=example.com would match
231 	 * test.example.com but would not match test-example.com.
232 	 */
233 	char *domain_suffix_match;
234 
235 	/**
236 	 * domain_match - Constraint for server domain name
237 	 *
238 	 * If set, this FQDN is used as a full match requirement for the
239 	 * server certificate in SubjectAltName dNSName element(s). If a
240 	 * matching dNSName is found, this constraint is met. If no dNSName
241 	 * values are present, this constraint is matched against SubjectName CN
242 	 * using same full match comparison. This behavior is similar to
243 	 * domain_suffix_match, but has the requirement of a full match, i.e.,
244 	 * no subdomains or wildcard matches are allowed. Case-insensitive
245 	 * comparison is used, so "Example.com" matches "example.com", but would
246 	 * not match "test.Example.com".
247 	 */
248 	char *domain_match;
249 
250 	/**
251 	 * ca_cert2 - File path to CA certificate file (PEM/DER) (Phase 2)
252 	 *
253 	 * This file can have one or more trusted CA certificates. If ca_cert2
254 	 * and ca_path2 are not included, server certificate will not be
255 	 * verified. This is insecure and a trusted CA certificate should
256 	 * always be configured. Full path to the file should be used since
257 	 * working directory may change when wpa_supplicant is run in the
258 	 * background.
259 	 *
260 	 * This field is like ca_cert, but used for phase 2 (inside
261 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
262 	 *
263 	 * Alternatively, a named configuration blob can be used by setting
264 	 * this to blob://blob_name.
265 	 */
266 	u8 *ca_cert2;
267 
268 	/**
269 	 * ca_path2 - Directory path for CA certificate files (PEM) (Phase 2)
270 	 *
271 	 * This path may contain multiple CA certificates in OpenSSL format.
272 	 * Common use for this is to point to system trusted CA list which is
273 	 * often installed into directory like /etc/ssl/certs. If configured,
274 	 * these certificates are added to the list of trusted CAs. ca_cert
275 	 * may also be included in that case, but it is not required.
276 	 *
277 	 * This field is like ca_path, but used for phase 2 (inside
278 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
279 	 */
280 	u8 *ca_path2;
281 
282 	/**
283 	 * client_cert2 - File path to client certificate file
284 	 *
285 	 * This field is like client_cert, but used for phase 2 (inside
286 	 * EAP-TTLS/PEAP/FAST tunnel) authentication. Full path to the
287 	 * file should be used since working directory may change when
288 	 * wpa_supplicant is run in the background.
289 	 *
290 	 * Alternatively, a named configuration blob can be used by setting
291 	 * this to blob://blob_name.
292 	 */
293 	u8 *client_cert2;
294 
295 	/**
296 	 * private_key2 - File path to client private key file
297 	 *
298 	 * This field is like private_key, but used for phase 2 (inside
299 	 * EAP-TTLS/PEAP/FAST tunnel) authentication. Full path to the
300 	 * file should be used since working directory may change when
301 	 * wpa_supplicant is run in the background.
302 	 *
303 	 * Alternatively, a named configuration blob can be used by setting
304 	 * this to blob://blob_name.
305 	 */
306 	u8 *private_key2;
307 
308 	/**
309 	 * private_key2_passwd -  Password for private key file
310 	 *
311 	 * This field is like private_key_passwd, but used for phase 2 (inside
312 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
313 	 */
314 	char *private_key2_passwd;
315 
316 	/**
317 	 * dh_file2 - File path to DH/DSA parameters file (in PEM format)
318 	 *
319 	 * This field is like dh_file, but used for phase 2 (inside
320 	 * EAP-TTLS/PEAP/FAST tunnel) authentication. Full path to the
321 	 * file should be used since working directory may change when
322 	 * wpa_supplicant is run in the background.
323 	 *
324 	 * Alternatively, a named configuration blob can be used by setting
325 	 * this to blob://blob_name.
326 	 */
327 	u8 *dh_file2;
328 
329 	/**
330 	 * subject_match2 - Constraint for server certificate subject
331 	 *
332 	 * This field is like subject_match, but used for phase 2 (inside
333 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
334 	 */
335 	u8 *subject_match2;
336 
337 	/**
338 	 * altsubject_match2 - Constraint for server certificate alt. subject
339 	 *
340 	 * This field is like altsubject_match, but used for phase 2 (inside
341 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
342 	 */
343 	u8 *altsubject_match2;
344 
345 	/**
346 	 * domain_suffix_match2 - Constraint for server domain name
347 	 *
348 	 * This field is like domain_suffix_match, but used for phase 2 (inside
349 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
350 	 */
351 	char *domain_suffix_match2;
352 
353 	/**
354 	 * domain_match2 - Constraint for server domain name
355 	 *
356 	 * This field is like domain_match, but used for phase 2 (inside
357 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
358 	 */
359 	char *domain_match2;
360 
361 	/**
362 	 * eap_methods - Allowed EAP methods
363 	 *
364 	 * (vendor=EAP_VENDOR_IETF,method=EAP_TYPE_NONE) terminated list of
365 	 * allowed EAP methods or %NULL if all methods are accepted.
366 	 */
367 	struct eap_method_type *eap_methods;
368 
369 	/**
370 	 * phase1 - Phase 1 (outer authentication) parameters
371 	 *
372 	 * String with field-value pairs, e.g., "peapver=0" or
373 	 * "peapver=1 peaplabel=1".
374 	 *
375 	 * 'peapver' can be used to force which PEAP version (0 or 1) is used.
376 	 *
377 	 * 'peaplabel=1' can be used to force new label, "client PEAP
378 	 * encryption",	to be used during key derivation when PEAPv1 or newer.
379 	 *
380 	 * Most existing PEAPv1 implementation seem to be using the old label,
381 	 * "client EAP encryption", and wpa_supplicant is now using that as the
382 	 * default value.
383 	 *
384 	 * Some servers, e.g., Radiator, may require peaplabel=1 configuration
385 	 * to interoperate with PEAPv1; see eap_testing.txt for more details.
386 	 *
387 	 * 'peap_outer_success=0' can be used to terminate PEAP authentication
388 	 * on tunneled EAP-Success. This is required with some RADIUS servers
389 	 * that implement draft-josefsson-pppext-eap-tls-eap-05.txt (e.g.,
390 	 * Lucent NavisRadius v4.4.0 with PEAP in "IETF Draft 5" mode).
391 	 *
392 	 * include_tls_length=1 can be used to force wpa_supplicant to include
393 	 * TLS Message Length field in all TLS messages even if they are not
394 	 * fragmented.
395 	 *
396 	 * sim_min_num_chal=3 can be used to configure EAP-SIM to require three
397 	 * challenges (by default, it accepts 2 or 3).
398 	 *
399 	 * result_ind=1 can be used to enable EAP-SIM and EAP-AKA to use
400 	 * protected result indication.
401 	 *
402 	 * fast_provisioning option can be used to enable in-line provisioning
403 	 * of EAP-FAST credentials (PAC):
404 	 * 0 = disabled,
405 	 * 1 = allow unauthenticated provisioning,
406 	 * 2 = allow authenticated provisioning,
407 	 * 3 = allow both unauthenticated and authenticated provisioning
408 	 *
409 	 * fast_max_pac_list_len=num option can be used to set the maximum
410 	 * number of PAC entries to store in a PAC list (default: 10).
411 	 *
412 	 * fast_pac_format=binary option can be used to select binary format
413 	 * for storing PAC entries in order to save some space (the default
414 	 * text format uses about 2.5 times the size of minimal binary format).
415 	 *
416 	 * crypto_binding option can be used to control PEAPv0 cryptobinding
417 	 * behavior:
418 	 * 0 = do not use cryptobinding (default)
419 	 * 1 = use cryptobinding if server supports it
420 	 * 2 = require cryptobinding
421 	 *
422 	 * EAP-WSC (WPS) uses following options: pin=Device_Password and
423 	 * uuid=Device_UUID
424 	 *
425 	 * For wired IEEE 802.1X authentication, "allow_canned_success=1" can be
426 	 * used to configure a mode that allows EAP-Success (and EAP-Failure)
427 	 * without going through authentication step. Some switches use such
428 	 * sequence when forcing the port to be authorized/unauthorized or as a
429 	 * fallback option if the authentication server is unreachable. By
430 	 * default, wpa_supplicant discards such frames to protect against
431 	 * potential attacks by rogue devices, but this option can be used to
432 	 * disable that protection for cases where the server/authenticator does
433 	 * not need to be authenticated.
434 	 */
435 	char *phase1;
436 
437 	/**
438 	 * phase2 - Phase2 (inner authentication with TLS tunnel) parameters
439 	 *
440 	 * String with field-value pairs, e.g., "auth=MSCHAPV2" for EAP-PEAP or
441 	 * "autheap=MSCHAPV2 autheap=MD5" for EAP-TTLS. "mschapv2_retry=0" can
442 	 * be used to disable MSCHAPv2 password retry in authentication failure
443 	 * cases.
444 	 */
445 	char *phase2;
446 
447 	/**
448 	 * pcsc - Parameters for PC/SC smartcard interface for USIM and GSM SIM
449 	 *
450 	 * This field is used to configure PC/SC smartcard interface.
451 	 * Currently, the only configuration is whether this field is %NULL (do
452 	 * not use PC/SC) or non-NULL (e.g., "") to enable PC/SC.
453 	 *
454 	 * This field is used for EAP-SIM and EAP-AKA.
455 	 */
456 	char *pcsc;
457 
458 	/**
459 	 * pin - PIN for USIM, GSM SIM, and smartcards
460 	 *
461 	 * This field is used to configure PIN for SIM and smartcards for
462 	 * EAP-SIM and EAP-AKA. In addition, this is used with EAP-TLS if a
463 	 * smartcard is used for private key operations.
464 	 *
465 	 * If left out, this will be asked through control interface.
466 	 */
467 	char *pin;
468 
469 	/**
470 	 * engine - Enable OpenSSL engine (e.g., for smartcard access)
471 	 *
472 	 * This is used if private key operations for EAP-TLS are performed
473 	 * using a smartcard.
474 	 */
475 	int engine;
476 
477 	/**
478 	 * engine_id - Engine ID for OpenSSL engine
479 	 *
480 	 * "opensc" to select OpenSC engine or "pkcs11" to select PKCS#11
481 	 * engine.
482 	 *
483 	 * This is used if private key operations for EAP-TLS are performed
484 	 * using a smartcard.
485 	 */
486 	char *engine_id;
487 
488 	/**
489 	 * engine2 - Enable OpenSSL engine (e.g., for smartcard) (Phase 2)
490 	 *
491 	 * This is used if private key operations for EAP-TLS are performed
492 	 * using a smartcard.
493 	 *
494 	 * This field is like engine, but used for phase 2 (inside
495 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
496 	 */
497 	int engine2;
498 
499 
500 	/**
501 	 * pin2 - PIN for USIM, GSM SIM, and smartcards (Phase 2)
502 	 *
503 	 * This field is used to configure PIN for SIM and smartcards for
504 	 * EAP-SIM and EAP-AKA. In addition, this is used with EAP-TLS if a
505 	 * smartcard is used for private key operations.
506 	 *
507 	 * This field is like pin2, but used for phase 2 (inside
508 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
509 	 *
510 	 * If left out, this will be asked through control interface.
511 	 */
512 	char *pin2;
513 
514 	/**
515 	 * engine2_id - Engine ID for OpenSSL engine (Phase 2)
516 	 *
517 	 * "opensc" to select OpenSC engine or "pkcs11" to select PKCS#11
518 	 * engine.
519 	 *
520 	 * This is used if private key operations for EAP-TLS are performed
521 	 * using a smartcard.
522 	 *
523 	 * This field is like engine_id, but used for phase 2 (inside
524 	 * EAP-TTLS/PEAP/FAST tunnel) authentication.
525 	 */
526 	char *engine2_id;
527 
528 
529 	/**
530 	 * key_id - Key ID for OpenSSL engine
531 	 *
532 	 * This is used if private key operations for EAP-TLS are performed
533 	 * using a smartcard.
534 	 */
535 	char *key_id;
536 
537 	/**
538 	 * cert_id - Cert ID for OpenSSL engine
539 	 *
540 	 * This is used if the certificate operations for EAP-TLS are performed
541 	 * using a smartcard.
542 	 */
543 	char *cert_id;
544 
545 	/**
546 	 * ca_cert_id - CA Cert ID for OpenSSL engine
547 	 *
548 	 * This is used if the CA certificate for EAP-TLS is on a smartcard.
549 	 */
550 	char *ca_cert_id;
551 
552 	/**
553 	 * key2_id - Key ID for OpenSSL engine (phase2)
554 	 *
555 	 * This is used if private key operations for EAP-TLS are performed
556 	 * using a smartcard.
557 	 */
558 	char *key2_id;
559 
560 	/**
561 	 * cert2_id - Cert ID for OpenSSL engine (phase2)
562 	 *
563 	 * This is used if the certificate operations for EAP-TLS are performed
564 	 * using a smartcard.
565 	 */
566 	char *cert2_id;
567 
568 	/**
569 	 * ca_cert2_id - CA Cert ID for OpenSSL engine (phase2)
570 	 *
571 	 * This is used if the CA certificate for EAP-TLS is on a smartcard.
572 	 */
573 	char *ca_cert2_id;
574 
575 	/**
576 	 * otp - One-time-password
577 	 *
578 	 * This field should not be set in configuration step. It is only used
579 	 * internally when OTP is entered through the control interface.
580 	 */
581 	u8 *otp;
582 
583 	/**
584 	 * otp_len - Length of the otp field
585 	 */
586 	size_t otp_len;
587 
588 	/**
589 	 * pending_req_identity - Whether there is a pending identity request
590 	 *
591 	 * This field should not be set in configuration step. It is only used
592 	 * internally when control interface is used to request needed
593 	 * information.
594 	 */
595 	int pending_req_identity;
596 
597 	/**
598 	 * pending_req_password - Whether there is a pending password request
599 	 *
600 	 * This field should not be set in configuration step. It is only used
601 	 * internally when control interface is used to request needed
602 	 * information.
603 	 */
604 	int pending_req_password;
605 
606 	/**
607 	 * pending_req_pin - Whether there is a pending PIN request
608 	 *
609 	 * This field should not be set in configuration step. It is only used
610 	 * internally when control interface is used to request needed
611 	 * information.
612 	 */
613 	int pending_req_pin;
614 
615 	/**
616 	 * pending_req_new_password - Pending password update request
617 	 *
618 	 * This field should not be set in configuration step. It is only used
619 	 * internally when control interface is used to request needed
620 	 * information.
621 	 */
622 	int pending_req_new_password;
623 
624 	/**
625 	 * pending_req_passphrase - Pending passphrase request
626 	 *
627 	 * This field should not be set in configuration step. It is only used
628 	 * internally when control interface is used to request needed
629 	 * information.
630 	 */
631 	int pending_req_passphrase;
632 
633 	/**
634 	 * pending_req_sim - Pending SIM request
635 	 *
636 	 * This field should not be set in configuration step. It is only used
637 	 * internally when control interface is used to request needed
638 	 * information.
639 	 */
640 	int pending_req_sim;
641 
642 	/**
643 	 * pending_req_otp - Whether there is a pending OTP request
644 	 *
645 	 * This field should not be set in configuration step. It is only used
646 	 * internally when control interface is used to request needed
647 	 * information.
648 	 */
649 	char *pending_req_otp;
650 
651 	/**
652 	 * pending_req_otp_len - Length of the pending OTP request
653 	 */
654 	size_t pending_req_otp_len;
655 
656 	/**
657 	 * pac_file - File path or blob name for the PAC entries (EAP-FAST)
658 	 *
659 	 * wpa_supplicant will need to be able to create this file and write
660 	 * updates to it when PAC is being provisioned or refreshed. Full path
661 	 * to the file should be used since working directory may change when
662 	 * wpa_supplicant is run in the background.
663 	 * Alternatively, a named configuration blob can be used by setting
664 	 * this to blob://blob_name.
665 	 */
666 	char *pac_file;
667 
668 	/**
669 	 * mschapv2_retry - MSCHAPv2 retry in progress
670 	 *
671 	 * This field is used internally by EAP-MSCHAPv2 and should not be set
672 	 * as part of configuration.
673 	 */
674 	int mschapv2_retry;
675 
676 	/**
677 	 * new_password - New password for password update
678 	 *
679 	 * This field is used during MSCHAPv2 password update. This is normally
680 	 * requested from the user through the control interface and not set
681 	 * from configuration.
682 	 */
683 	u8 *new_password;
684 
685 	/**
686 	 * new_password_len - Length of new_password field
687 	 */
688 	size_t new_password_len;
689 
690 	/**
691 	 * fragment_size - Maximum EAP fragment size in bytes (default 1398)
692 	 *
693 	 * This value limits the fragment size for EAP methods that support
694 	 * fragmentation (e.g., EAP-TLS and EAP-PEAP). This value should be set
695 	 * small enough to make the EAP messages fit in MTU of the network
696 	 * interface used for EAPOL. The default value is suitable for most
697 	 * cases.
698 	 */
699 	int fragment_size;
700 
701 #define EAP_CONFIG_FLAGS_PASSWORD_NTHASH BIT(0)
702 #define EAP_CONFIG_FLAGS_EXT_PASSWORD BIT(1)
703 	/**
704 	 * flags - Network configuration flags (bitfield)
705 	 *
706 	 * This variable is used for internal flags to describe further details
707 	 * for the network parameters.
708 	 * bit 0 = password is represented as a 16-byte NtPasswordHash value
709 	 *         instead of plaintext password
710 	 * bit 1 = password is stored in external storage; the value in the
711 	 *         password field is the name of that external entry
712 	 */
713 	u32 flags;
714 
715 	/**
716 	 * ocsp - Whether to use/require OCSP to check server certificate
717 	 *
718 	 * 0 = do not use OCSP stapling (TLS certificate status extension)
719 	 * 1 = try to use OCSP stapling, but not require response
720 	 * 2 = require valid OCSP stapling response
721 	 */
722 	int ocsp;
723 
724 	/**
725 	 * external_sim_resp - Response from external SIM processing
726 	 *
727 	 * This field should not be set in configuration step. It is only used
728 	 * internally when control interface is used to request external
729 	 * SIM/USIM processing.
730 	 */
731 	char *external_sim_resp;
732 
733 	/**
734 	 * sim_num - User selected SIM identifier
735 	 *
736 	 * This variable is used for identifying which SIM is used if the system
737 	 * has more than one.
738 	 */
739 	int sim_num;
740 
741 	/**
742 	 * openssl_ciphers - OpenSSL cipher string
743 	 *
744 	 * This is an OpenSSL specific configuration option for configuring the
745 	 * ciphers for this connection. If not set, the default cipher suite
746 	 * list is used.
747 	 */
748 	char *openssl_ciphers;
749 
750 	/**
751 	 * erp - Whether EAP Re-authentication Protocol (ERP) is enabled
752 	 */
753 	int erp;
754 
755 	/**
756 	 * pending_ext_cert_check - External server certificate check status
757 	 *
758 	 * This field should not be set in configuration step. It is only used
759 	 * internally when control interface is used to request external
760 	 * validation of server certificate chain.
761 	 */
762 	enum {
763 		NO_CHECK = 0,
764 		PENDING_CHECK,
765 		EXT_CERT_CHECK_GOOD,
766 		EXT_CERT_CHECK_BAD,
767 	} pending_ext_cert_check;
768 };
769 
770 
771 /**
772  * struct wpa_config_blob - Named configuration blob
773  *
774  * This data structure is used to provide storage for binary objects to store
775  * abstract information like certificates and private keys inlined with the
776  * configuration data.
777  */
778 struct wpa_config_blob {
779 	/**
780 	 * name - Blob name
781 	 */
782 	char *name;
783 
784 	/**
785 	 * data - Pointer to binary data
786 	 */
787 	u8 *data;
788 
789 	/**
790 	 * len - Length of binary data
791 	 */
792 	size_t len;
793 
794 	/**
795 	 * next - Pointer to next blob in the configuration
796 	 */
797 	struct wpa_config_blob *next;
798 };
799 
800 #endif /* EAP_CONFIG_H */
801