summaryrefslogtreecommitdiff
path: root/source4/heimdal/lib/krb5/krb5.h
blob: 4b5058094b0815f49e236ae41524738d30c1467f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
/*
 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden). 
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 *
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 *
 * 3. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 */

/* $Id: krb5.h,v 1.253 2006/10/20 18:12:06 lha Exp $ */

#ifndef __KRB5_H__
#define __KRB5_H__

#include <time.h>
#include <krb5-types.h>

#include <asn1_err.h>
#include <krb5_err.h>
#include <heim_err.h>
#include <k524_err.h>

#include <krb5_asn1.h>

/* name confusion with MIT */
#ifndef KRB5KDC_ERR_KEY_EXP
#define KRB5KDC_ERR_KEY_EXP KRB5KDC_ERR_KEY_EXPIRED
#endif

/* simple constants */

#ifndef TRUE
#define TRUE  1
#define FALSE 0
#endif

typedef int krb5_boolean;

typedef int32_t krb5_error_code;

typedef int krb5_kvno;

typedef uint32_t krb5_flags;

typedef void *krb5_pointer;
typedef const void *krb5_const_pointer;

struct krb5_crypto_data;
typedef struct krb5_crypto_data *krb5_crypto;

struct krb5_get_creds_opt_data;
typedef struct krb5_get_creds_opt_data *krb5_get_creds_opt;

struct krb5_digest;
typedef struct krb5_digest *krb5_digest;

typedef CKSUMTYPE krb5_cksumtype;

typedef Checksum krb5_checksum;

typedef ENCTYPE krb5_enctype;

typedef heim_octet_string krb5_data;

/* PKINIT related forward declarations */
struct ContentInfo;
struct krb5_pk_identity;
struct krb5_pk_cert;

/* krb5_enc_data is a mit compat structure */
typedef struct krb5_enc_data {
    krb5_enctype enctype;
    krb5_kvno kvno;
    krb5_data ciphertext;
} krb5_enc_data;

/* alternative names */
enum {
    ENCTYPE_NULL		= ETYPE_NULL,
    ENCTYPE_DES_CBC_CRC		= ETYPE_DES_CBC_CRC,
    ENCTYPE_DES_CBC_MD4		= ETYPE_DES_CBC_MD4,
    ENCTYPE_DES_CBC_MD5		= ETYPE_DES_CBC_MD5,
    ENCTYPE_DES3_CBC_MD5	= ETYPE_DES3_CBC_MD5,
    ENCTYPE_OLD_DES3_CBC_SHA1	= ETYPE_OLD_DES3_CBC_SHA1,
    ENCTYPE_SIGN_DSA_GENERATE	= ETYPE_SIGN_DSA_GENERATE,
    ENCTYPE_ENCRYPT_RSA_PRIV	= ETYPE_ENCRYPT_RSA_PRIV,
    ENCTYPE_ENCRYPT_RSA_PUB	= ETYPE_ENCRYPT_RSA_PUB,
    ENCTYPE_DES3_CBC_SHA1	= ETYPE_DES3_CBC_SHA1,
    ENCTYPE_AES128_CTS_HMAC_SHA1_96 = ETYPE_AES128_CTS_HMAC_SHA1_96,
    ENCTYPE_AES256_CTS_HMAC_SHA1_96 = ETYPE_AES256_CTS_HMAC_SHA1_96,
    ENCTYPE_ARCFOUR_HMAC	= ETYPE_ARCFOUR_HMAC_MD5,
    ENCTYPE_ARCFOUR_HMAC_MD5	= ETYPE_ARCFOUR_HMAC_MD5,
    ENCTYPE_ARCFOUR_HMAC_MD5_56	= ETYPE_ARCFOUR_HMAC_MD5_56,
    ENCTYPE_ENCTYPE_PK_CROSS	= ETYPE_ENCTYPE_PK_CROSS,
    ENCTYPE_DES_CBC_NONE	= ETYPE_DES_CBC_NONE,
    ENCTYPE_DES3_CBC_NONE	= ETYPE_DES3_CBC_NONE,
    ENCTYPE_DES_CFB64_NONE	= ETYPE_DES_CFB64_NONE,
    ENCTYPE_DES_PCBC_NONE	= ETYPE_DES_PCBC_NONE
};

typedef PADATA_TYPE krb5_preauthtype;

typedef enum krb5_key_usage {
    KRB5_KU_PA_ENC_TIMESTAMP = 1,
    /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
       client key (section 5.4.1) */
    KRB5_KU_TICKET = 2,
    /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
       application session key), encrypted with the service key
       (section 5.4.2) */
    KRB5_KU_AS_REP_ENC_PART = 3,
    /* AS-REP encrypted part (includes tgs session key or application
       session key), encrypted with the client key (section 5.4.2) */
    KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
    /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
       session key (section 5.4.1) */
    KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
    /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
          authenticator subkey (section 5.4.1) */
    KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
    /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
       with the tgs session key (sections 5.3.2, 5.4.1) */
    KRB5_KU_TGS_REQ_AUTH = 7,
    /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
       authenticator subkey), encrypted with the tgs session key
       (section 5.3.2) */
    KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
    /* TGS-REP encrypted part (includes application session key),
       encrypted with the tgs session key (section 5.4.2) */
    KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
    /* TGS-REP encrypted part (includes application session key),
       encrypted with the tgs authenticator subkey (section 5.4.2) */
    KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
    /* AP-REQ Authenticator cksum, keyed with the application session
       key (section 5.3.2) */
    KRB5_KU_AP_REQ_AUTH = 11,
    /* AP-REQ Authenticator (includes application authenticator
       subkey), encrypted with the application session key (section
       5.3.2) */
    KRB5_KU_AP_REQ_ENC_PART = 12,
    /* AP-REP encrypted part (includes application session subkey),
       encrypted with the application session key (section 5.5.2) */
    KRB5_KU_KRB_PRIV = 13,
    /* KRB-PRIV encrypted part, encrypted with a key chosen by the
       application (section 5.7.1) */
    KRB5_KU_KRB_CRED = 14,
    /* KRB-CRED encrypted part, encrypted with a key chosen by the
       application (section 5.8.1) */
    KRB5_KU_KRB_SAFE_CKSUM = 15,
    /* KRB-SAFE cksum, keyed with a key chosen by the application
       (section 5.6.1) */
    KRB5_KU_OTHER_ENCRYPTED = 16,
    /* Data which is defined in some specification outside of
       Kerberos to be encrypted using an RFC1510 encryption type. */
    KRB5_KU_OTHER_CKSUM = 17,
    /* Data which is defined in some specification outside of
       Kerberos to be checksummed using an RFC1510 checksum type. */
    KRB5_KU_KRB_ERROR = 18,
    /* Krb-error checksum */
    KRB5_KU_AD_KDC_ISSUED = 19,
    /* AD-KDCIssued checksum */
    KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
    /* Checksum for Mandatory Ticket Extensions */
    KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
    /* Checksum in Authorization Data in Ticket Extensions */
    KRB5_KU_USAGE_SEAL = 22,
    /* seal in GSSAPI krb5 mechanism */
    KRB5_KU_USAGE_SIGN = 23,
    /* sign in GSSAPI krb5 mechanism */
    KRB5_KU_USAGE_SEQ = 24,
    /* SEQ in GSSAPI krb5 mechanism */
    KRB5_KU_USAGE_ACCEPTOR_SEAL = 22,
    /* acceptor sign in GSSAPI CFX krb5 mechanism */
    KRB5_KU_USAGE_ACCEPTOR_SIGN = 23,
    /* acceptor seal in GSSAPI CFX krb5 mechanism */
    KRB5_KU_USAGE_INITIATOR_SEAL = 24,       
    /* initiator sign in GSSAPI CFX krb5 mechanism */
    KRB5_KU_USAGE_INITIATOR_SIGN = 25,
    /* initiator seal in GSSAPI CFX krb5 mechanism */
    KRB5_KU_PA_SERVER_REFERRAL_DATA = 22,
    /* encrypted server referral data */
    KRB5_KU_SAM_CHECKSUM = 25,
    /* Checksum for the SAM-CHECKSUM field */
    KRB5_KU_SAM_ENC_TRACK_ID = 26,
    /* Encryption of the SAM-TRACK-ID field */
    KRB5_KU_PA_SERVER_REFERRAL = 26,
    /* Keyusage for the server referral in a TGS req */
    KRB5_KU_SAM_ENC_NONCE_SAD = 27,
    /* Encryption of the SAM-NONCE-OR-SAD field */
    KRB5_KU_TGS_IMPERSONATE = -17,
    /* Checksum type used in the impersonate field */
    KRB5_KU_DIGEST_ENCRYPT = -18,
    /* Encryption key usage used in the digest encryption field */
    KRB5_KU_DIGEST_OPAQUE = -19,
    /* Checksum key usage used in the digest opaque field */
    KRB5_KU_KRB5SIGNEDPATH = -21
    /* Checksum key usage on KRB5SignedPath */
} krb5_key_usage;

typedef krb5_key_usage krb5_keyusage;

typedef enum krb5_salttype {
    KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
    KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
}krb5_salttype;

typedef struct krb5_salt {
    krb5_salttype salttype;
    krb5_data saltvalue;
} krb5_salt;

typedef ETYPE_INFO krb5_preauthinfo;

typedef struct {
    krb5_preauthtype type;
    krb5_preauthinfo info; /* list of preauthinfo for this type */
} krb5_preauthdata_entry;

typedef struct krb5_preauthdata {
    unsigned len;
    krb5_preauthdata_entry *val;
}krb5_preauthdata;

typedef enum krb5_address_type { 
    KRB5_ADDRESS_INET     =   2,
    KRB5_ADDRESS_NETBIOS  =  20,
    KRB5_ADDRESS_INET6    =  24,
    KRB5_ADDRESS_ADDRPORT = 256,
    KRB5_ADDRESS_IPPORT   = 257
} krb5_address_type;

enum {
  AP_OPTS_USE_SESSION_KEY = 1,
  AP_OPTS_MUTUAL_REQUIRED = 2,
  AP_OPTS_USE_SUBKEY = 4		/* library internal */
};

typedef HostAddress krb5_address;

typedef HostAddresses krb5_addresses;

typedef enum krb5_keytype { 
    KEYTYPE_NULL	= 0,
    KEYTYPE_DES		= 1,
    KEYTYPE_DES3	= 7,
    KEYTYPE_AES128	= 17,
    KEYTYPE_AES256	= 18,
    KEYTYPE_ARCFOUR	= 23,
    KEYTYPE_ARCFOUR_56	= 24
} krb5_keytype;

typedef EncryptionKey krb5_keyblock;

typedef AP_REQ krb5_ap_req;

struct krb5_cc_ops;

#define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"

#define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT

#define KRB5_ACCEPT_NULL_ADDRESSES(C) 					 \
    krb5_config_get_bool_default((C), NULL, TRUE, 			 \
				 "libdefaults", "accept_null_addresses", \
				 NULL)

typedef void *krb5_cc_cursor;

typedef struct krb5_ccache_data {
    const struct krb5_cc_ops *ops;
    krb5_data data;
}krb5_ccache_data;

typedef struct krb5_ccache_data *krb5_ccache;

typedef struct krb5_context_data *krb5_context;

typedef Realm krb5_realm;
typedef const char *krb5_const_realm; /* stupid language */

#define krb5_realm_length(r) strlen(r)
#define krb5_realm_data(r) (r)

typedef Principal krb5_principal_data;
typedef struct Principal *krb5_principal;
typedef const struct Principal *krb5_const_principal;

typedef time_t krb5_deltat;
typedef time_t krb5_timestamp;

typedef struct krb5_times {
  krb5_timestamp authtime;
  krb5_timestamp starttime;
  krb5_timestamp endtime;
  krb5_timestamp renew_till;
} krb5_times;

typedef union {
    TicketFlags b;
    krb5_flags i;
} krb5_ticket_flags;

/* options for krb5_get_in_tkt() */
#define KDC_OPT_FORWARDABLE		(1 << 1)
#define KDC_OPT_FORWARDED		(1 << 2)
#define KDC_OPT_PROXIABLE		(1 << 3)
#define KDC_OPT_PROXY			(1 << 4)
#define KDC_OPT_ALLOW_POSTDATE		(1 << 5)
#define KDC_OPT_POSTDATED		(1 << 6)
#define KDC_OPT_RENEWABLE		(1 << 8)
#define KDC_OPT_REQUEST_ANONYMOUS	(1 << 14)
#define KDC_OPT_DISABLE_TRANSITED_CHECK	(1 << 26)
#define KDC_OPT_RENEWABLE_OK		(1 << 27)
#define KDC_OPT_ENC_TKT_IN_SKEY		(1 << 28)
#define KDC_OPT_RENEW			(1 << 30)
#define KDC_OPT_VALIDATE		(1 << 31)

typedef union {
    KDCOptions b;
    krb5_flags i;
} krb5_kdc_flags;

/* flags for krb5_verify_ap_req */

#define KRB5_VERIFY_AP_REQ_IGNORE_INVALID	(1 << 0)

#define KRB5_GC_CACHED			(1U << 0)
#define KRB5_GC_USER_USER		(1U << 1)
#define KRB5_GC_EXPIRED_OK		(1U << 2)
#define KRB5_GC_NO_STORE		(1U << 3)
#define KRB5_GC_FORWARDABLE		(1U << 4)
#define KRB5_GC_NO_TRANSIT_CHECK	(1U << 5)

/* constants for compare_creds (and cc_retrieve_cred) */
#define KRB5_TC_DONT_MATCH_REALM	(1U << 31)
#define KRB5_TC_MATCH_KEYTYPE		(1U << 30)
#define KRB5_TC_MATCH_KTYPE		KRB5_TC_MATCH_KEYTYPE    /* MIT name */
#define KRB5_TC_MATCH_SRV_NAMEONLY	(1 << 29)
#define KRB5_TC_MATCH_FLAGS_EXACT	(1 << 28)
#define KRB5_TC_MATCH_FLAGS		(1 << 27)
#define KRB5_TC_MATCH_TIMES_EXACT	(1 << 26)
#define KRB5_TC_MATCH_TIMES		(1 << 25)
#define KRB5_TC_MATCH_AUTHDATA		(1 << 24)
#define KRB5_TC_MATCH_2ND_TKT		(1 << 23)
#define KRB5_TC_MATCH_IS_SKEY		(1 << 22)

typedef AuthorizationData krb5_authdata;

typedef KRB_ERROR krb5_error;

typedef struct krb5_creds {
    krb5_principal client;
    krb5_principal server;
    krb5_keyblock session;
    krb5_times times;
    krb5_data ticket;
    krb5_data second_ticket;
    krb5_authdata authdata;
    krb5_addresses addresses;
    krb5_ticket_flags flags;
} krb5_creds;

typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;

typedef struct krb5_cc_ops {
    const char *prefix;
    const char* (*get_name)(krb5_context, krb5_ccache);
    krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);
    krb5_error_code (*gen_new)(krb5_context, krb5_ccache *);
    krb5_error_code (*init)(krb5_context, krb5_ccache, krb5_principal);
    krb5_error_code (*destroy)(krb5_context, krb5_ccache);
    krb5_error_code (*close)(krb5_context, krb5_ccache);
    krb5_error_code (*store)(krb5_context, krb5_ccache, krb5_creds*);
    krb5_error_code (*retrieve)(krb5_context, krb5_ccache, 
				krb5_flags, const krb5_creds*, krb5_creds *);
    krb5_error_code (*get_princ)(krb5_context, krb5_ccache, krb5_principal*);
    krb5_error_code (*get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
    krb5_error_code (*get_next)(krb5_context, krb5_ccache, 
				krb5_cc_cursor*, krb5_creds*);
    krb5_error_code (*end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
    krb5_error_code (*remove_cred)(krb5_context, krb5_ccache, 
				   krb5_flags, krb5_creds*);
    krb5_error_code (*set_flags)(krb5_context, krb5_ccache, krb5_flags);
    int (*get_version)(krb5_context, krb5_ccache);
    krb5_error_code (*get_cache_first)(krb5_context, krb5_cc_cursor *);
    krb5_error_code (*get_cache_next)(krb5_context, krb5_cc_cursor, krb5_ccache *);
    krb5_error_code (*end_cache_get)(krb5_context, krb5_cc_cursor);
} krb5_cc_ops;

struct krb5_log_facility;

struct krb5_config_binding {
    enum { krb5_config_string, krb5_config_list } type;
    char *name;
    struct krb5_config_binding *next;
    union {
	char *string;
	struct krb5_config_binding *list;
	void *generic;
    } u;
};

typedef struct krb5_config_binding krb5_config_binding;

typedef krb5_config_binding krb5_config_section;

enum {
    KRB5_PKINIT_WIN2K		= 1,	/* wire compatible with Windows 2k */
    KRB5_PKINIT_PACKET_CABLE	= 2	/* use packet cable standard */
};

typedef struct krb5_ticket {
    EncTicketPart ticket;
    krb5_principal client;
    krb5_principal server;
} krb5_ticket;

typedef Authenticator krb5_authenticator_data;

typedef krb5_authenticator_data *krb5_authenticator;

struct krb5_rcache_data;
typedef struct krb5_rcache_data *krb5_rcache;
typedef Authenticator krb5_donot_replay;

#define KRB5_STORAGE_HOST_BYTEORDER			0x01 /* old */
#define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS	0x02
#define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE		0x04
#define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE		0x08
#define KRB5_STORAGE_BYTEORDER_MASK			0x60
#define KRB5_STORAGE_BYTEORDER_BE			0x00 /* default */
#define KRB5_STORAGE_BYTEORDER_LE			0x20
#define KRB5_STORAGE_BYTEORDER_HOST			0x40
#define KRB5_STORAGE_CREDS_FLAGS_WRONG_BITORDER		0x80

struct krb5_storage_data;
typedef struct krb5_storage_data krb5_storage;

typedef struct krb5_keytab_entry {
    krb5_principal principal;
    krb5_kvno vno;
    krb5_keyblock keyblock;
    uint32_t timestamp;
} krb5_keytab_entry;

typedef struct krb5_kt_cursor {
    int fd;
    krb5_storage *sp;
    void *data;
} krb5_kt_cursor;

struct krb5_keytab_data;

typedef struct krb5_keytab_data *krb5_keytab;

#define KRB5_KT_PREFIX_MAX_LEN	30

struct krb5_keytab_data {
    const char *prefix;
    krb5_error_code (*resolve)(krb5_context, const char*, krb5_keytab);
    krb5_error_code (*get_name)(krb5_context, krb5_keytab, char*, size_t);
    krb5_error_code (*close)(krb5_context, krb5_keytab);
    krb5_error_code (*get)(krb5_context, krb5_keytab, krb5_const_principal, 
			   krb5_kvno, krb5_enctype, krb5_keytab_entry*);
    krb5_error_code (*start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
    krb5_error_code (*next_entry)(krb5_context, krb5_keytab, 
				  krb5_keytab_entry*, krb5_kt_cursor*);
    krb5_error_code (*end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
    krb5_error_code (*add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
    krb5_error_code (*remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
    void *data;
    int32_t version;
};

typedef struct krb5_keytab_data krb5_kt_ops;

struct krb5_keytab_key_proc_args {
    krb5_keytab keytab;
    krb5_principal principal;
};

typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;

typedef struct krb5_replay_data {
    krb5_timestamp timestamp;
    int32_t usec;
    uint32_t seq;
} krb5_replay_data;

/* flags for krb5_auth_con_setflags */
enum {
    KRB5_AUTH_CONTEXT_DO_TIME      		= 1,
    KRB5_AUTH_CONTEXT_RET_TIME     		= 2,
    KRB5_AUTH_CONTEXT_DO_SEQUENCE  		= 4,
    KRB5_AUTH_CONTEXT_RET_SEQUENCE 		= 8,
    KRB5_AUTH_CONTEXT_PERMIT_ALL   		= 16,
    KRB5_AUTH_CONTEXT_USE_SUBKEY   		= 32,
    KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED	= 64
};

/* flags for krb5_auth_con_genaddrs */
enum {
    KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
    KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
    KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
    KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
};

typedef struct krb5_auth_context_data {
    unsigned int flags;

    krb5_address *local_address;
    krb5_address *remote_address;
    int16_t local_port;
    int16_t remote_port;
    krb5_keyblock *keyblock;
    krb5_keyblock *local_subkey;
    krb5_keyblock *remote_subkey;

    uint32_t local_seqnumber;
    uint32_t remote_seqnumber;

    krb5_authenticator authenticator;
  
    krb5_pointer i_vector;
  
    krb5_rcache rcache;

    krb5_keytype keytype;	/* ¿requested key type ? */
    krb5_cksumtype cksumtype;	/* ¡requested checksum type! */
  
}krb5_auth_context_data, *krb5_auth_context;

typedef struct {
    KDC_REP kdc_rep;
    EncKDCRepPart enc_part;
    KRB_ERROR error;
} krb5_kdc_rep;

extern const char *heimdal_version, *heimdal_long_version;

typedef void (*krb5_log_log_func_t)(const char*, const char*, void*);
typedef void (*krb5_log_close_func_t)(void*);

typedef struct krb5_log_facility {
    char *program;
    int len;
    struct facility *val;
} krb5_log_facility;

typedef EncAPRepPart krb5_ap_rep_enc_part;

#define KRB5_RECVAUTH_IGNORE_VERSION 1

#define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"

#define KRB5_TGS_NAME_SIZE (6)
#define KRB5_TGS_NAME ("krbtgt")

#define KRB5_DIGEST_NAME ("digest")

/* variables */

extern const char *krb5_config_file;
extern const char *krb5_defkeyname;

typedef enum {
    KRB5_PROMPT_TYPE_PASSWORD		= 0x1,
    KRB5_PROMPT_TYPE_NEW_PASSWORD	= 0x2,
    KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
    KRB5_PROMPT_TYPE_PREAUTH		= 0x4,
    KRB5_PROMPT_TYPE_INFO		= 0x5
} krb5_prompt_type;

typedef struct _krb5_prompt {
    const char *prompt;
    int hidden;
    krb5_data *reply;
    krb5_prompt_type type;
} krb5_prompt;

typedef int (*krb5_prompter_fct)(krb5_context /*context*/,
				 void * /*data*/,
				 const char * /*name*/,
				 const char * /*banner*/,
				 int /*num_prompts*/,
				 krb5_prompt /*prompts*/[]);
typedef krb5_error_code (*krb5_key_proc)(krb5_context /*context*/,
					 krb5_enctype /*type*/,
					 krb5_salt /*salt*/,
					 krb5_const_pointer /*keyseed*/,
					 krb5_keyblock ** /*key*/);
typedef krb5_error_code (*krb5_decrypt_proc)(krb5_context /*context*/,
					     krb5_keyblock * /*key*/,
					     krb5_key_usage /*usage*/,
					     krb5_const_pointer /*decrypt_arg*/,
					     krb5_kdc_rep * /*dec_rep*/);
typedef krb5_error_code (*krb5_s2k_proc)(krb5_context /*context*/,
					 krb5_enctype /*type*/,
					 krb5_const_pointer /*keyseed*/,
					 krb5_salt /*salt*/,
					 krb5_data * /*s2kparms*/,
					 krb5_keyblock ** /*key*/);

struct _krb5_get_init_creds_opt_private;

typedef struct _krb5_get_init_creds_opt {
    krb5_flags flags;
    krb5_deltat tkt_life;
    krb5_deltat renew_life;
    int forwardable;
    int proxiable;
    int anonymous;
    krb5_enctype *etype_list;
    int etype_list_length;
    krb5_addresses *address_list;
    /* XXX the next three should not be used, as they may be
       removed later */
    krb5_preauthtype *preauth_list;
    int preauth_list_length;
    krb5_data *salt;
    struct _krb5_get_init_creds_opt_private *opt_private;
} krb5_get_init_creds_opt;

#define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE	0x0001
#define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE	0x0002
#define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE	0x0004
#define KRB5_GET_INIT_CREDS_OPT_PROXIABLE	0x0008
#define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST	0x0010
#define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST	0x0020
#define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST	0x0040
#define KRB5_GET_INIT_CREDS_OPT_SALT		0x0080
#define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS	0x0100
#define KRB5_GET_INIT_CREDS_OPT_DISABLE_TRANSITED_CHECK	0x0200

typedef struct _krb5_verify_init_creds_opt {
    krb5_flags flags;
    int ap_req_nofail;
} krb5_verify_init_creds_opt;

#define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL	0x0001

typedef struct krb5_verify_opt {
    unsigned int flags;
    krb5_ccache ccache;
    krb5_keytab keytab;
    krb5_boolean secure;
    const char *service;
} krb5_verify_opt;

#define KRB5_VERIFY_LREALMS		1
#define KRB5_VERIFY_NO_ADDRESSES	2

extern const krb5_cc_ops krb5_acc_ops;
extern const krb5_cc_ops krb5_fcc_ops;
extern const krb5_cc_ops krb5_mcc_ops;
extern const krb5_cc_ops krb5_kcm_ops;

extern const krb5_kt_ops krb5_fkt_ops;
extern const krb5_kt_ops krb5_wrfkt_ops;
extern const krb5_kt_ops krb5_javakt_ops;
extern const krb5_kt_ops krb5_mkt_ops;
extern const krb5_kt_ops krb5_akf_ops;
extern const krb5_kt_ops krb4_fkt_ops;
extern const krb5_kt_ops krb5_srvtab_fkt_ops;
extern const krb5_kt_ops krb5_any_ops;

#define KRB5_KPASSWD_VERS_CHANGEPW      1
#define KRB5_KPASSWD_VERS_SETPW         0xff80

#define KRB5_KPASSWD_SUCCESS	0
#define KRB5_KPASSWD_MALFORMED	1
#define KRB5_KPASSWD_HARDERROR	2
#define KRB5_KPASSWD_AUTHERROR	3
#define KRB5_KPASSWD_SOFTERROR	4
#define KRB5_KPASSWD_ACCESSDENIED 5
#define KRB5_KPASSWD_BAD_VERSION 6
#define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7

#define KPASSWD_PORT 464

/* types for the new krbhst interface */
struct krb5_krbhst_data;
typedef struct krb5_krbhst_data *krb5_krbhst_handle;

#define KRB5_KRBHST_KDC		1
#define KRB5_KRBHST_ADMIN	2
#define KRB5_KRBHST_CHANGEPW	3
#define KRB5_KRBHST_KRB524	4

typedef struct krb5_krbhst_info {
    enum { KRB5_KRBHST_UDP,
	   KRB5_KRBHST_TCP,
	   KRB5_KRBHST_HTTP } proto;
    unsigned short port;
    unsigned short def_port;
    struct addrinfo *ai;
    struct krb5_krbhst_info *next;
    char hostname[1]; /* has to come last */
} krb5_krbhst_info;

/* flags for krb5_krbhst_init_flags (and krb5_send_to_kdc_flags) */
enum {
    KRB5_KRBHST_FLAGS_MASTER      = 1,
    KRB5_KRBHST_FLAGS_LARGE_MSG	  = 2
};

typedef krb5_error_code (*krb5_send_to_kdc_func)(krb5_context, 
						 void *, 
						 krb5_krbhst_info *,
						 const krb5_data *,
						 krb5_data *);

/* flags for krb5_parse_name_flags */
enum {
    KRB5_PRINCIPAL_PARSE_NO_REALM = 1,
    KRB5_PRINCIPAL_PARSE_MUST_REALM = 2
};

/* flags for krb5_unparse_name_flags */
enum {
    KRB5_PRINCIPAL_UNPARSE_SHORT = 1,
    KRB5_PRINCIPAL_UNPARSE_NO_REALM = 2
};

struct credentials; /* this is to keep the compiler happy */
struct getargs;
struct sockaddr;

#include <krb5-protos.h>

#endif /* __KRB5_H__ */