1/*
2 * Copyright (c) 1997 - 2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36/* $Id$ */
37
38#ifndef __KRB5_H__
39#define __KRB5_H__
40
41#include <time.h>
42#include <krb5-types.h>
43
44#include <asn1_err.h>
45#include <krb5_err.h>
46#include <heim_err.h>
47#include <k524_err.h>
48
49#include <krb5_asn1.h>
50
51/* name confusion with MIT */
52#ifndef KRB5KDC_ERR_KEY_EXP
53#define KRB5KDC_ERR_KEY_EXP KRB5KDC_ERR_KEY_EXPIRED
54#endif
55
56#ifdef _WIN32
57#define KRB5_CALLCONV __stdcall
58#else
59#define KRB5_CALLCONV
60#endif
61
62/* simple constants */
63
64#ifndef TRUE
65#define TRUE  1
66#define FALSE 0
67#endif
68
69typedef int krb5_boolean;
70
71typedef int32_t krb5_error_code;
72
73typedef int32_t krb5_kvno;
74
75typedef uint32_t krb5_flags;
76
77typedef void *krb5_pointer;
78typedef const void *krb5_const_pointer;
79
80struct krb5_crypto_data;
81typedef struct krb5_crypto_data *krb5_crypto;
82
83struct krb5_get_creds_opt_data;
84typedef struct krb5_get_creds_opt_data *krb5_get_creds_opt;
85
86struct krb5_digest_data;
87typedef struct krb5_digest_data *krb5_digest;
88struct krb5_ntlm_data;
89typedef struct krb5_ntlm_data *krb5_ntlm;
90
91struct krb5_pac_data;
92typedef struct krb5_pac_data *krb5_pac;
93
94typedef struct krb5_rd_req_in_ctx_data *krb5_rd_req_in_ctx;
95typedef struct krb5_rd_req_out_ctx_data *krb5_rd_req_out_ctx;
96
97typedef CKSUMTYPE krb5_cksumtype;
98
99typedef Checksum krb5_checksum;
100
101typedef ENCTYPE krb5_enctype;
102
103typedef struct krb5_get_init_creds_ctx *krb5_init_creds_context;
104
105typedef heim_octet_string krb5_data;
106
107/* PKINIT related forward declarations */
108struct ContentInfo;
109struct krb5_pk_identity;
110struct krb5_pk_cert;
111
112/* krb5_enc_data is a mit compat structure */
113typedef struct krb5_enc_data {
114    krb5_enctype enctype;
115    krb5_kvno kvno;
116    krb5_data ciphertext;
117} krb5_enc_data;
118
119/* alternative names */
120enum {
121    ENCTYPE_NULL		= KRB5_ENCTYPE_NULL,
122    ENCTYPE_DES_CBC_CRC		= KRB5_ENCTYPE_DES_CBC_CRC,
123    ENCTYPE_DES_CBC_MD4		= KRB5_ENCTYPE_DES_CBC_MD4,
124    ENCTYPE_DES_CBC_MD5		= KRB5_ENCTYPE_DES_CBC_MD5,
125    ENCTYPE_DES3_CBC_MD5	= KRB5_ENCTYPE_DES3_CBC_MD5,
126    ENCTYPE_OLD_DES3_CBC_SHA1	= KRB5_ENCTYPE_OLD_DES3_CBC_SHA1,
127    ENCTYPE_SIGN_DSA_GENERATE	= KRB5_ENCTYPE_SIGN_DSA_GENERATE,
128    ENCTYPE_ENCRYPT_RSA_PRIV	= KRB5_ENCTYPE_ENCRYPT_RSA_PRIV,
129    ENCTYPE_ENCRYPT_RSA_PUB	= KRB5_ENCTYPE_ENCRYPT_RSA_PUB,
130    ENCTYPE_DES3_CBC_SHA1	= KRB5_ENCTYPE_DES3_CBC_SHA1,
131    ENCTYPE_AES128_CTS_HMAC_SHA1_96 = KRB5_ENCTYPE_AES128_CTS_HMAC_SHA1_96,
132    ENCTYPE_AES256_CTS_HMAC_SHA1_96 = KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96,
133    ENCTYPE_ARCFOUR_HMAC	= KRB5_ENCTYPE_ARCFOUR_HMAC_MD5,
134    ENCTYPE_ARCFOUR_HMAC_MD5	= KRB5_ENCTYPE_ARCFOUR_HMAC_MD5,
135    ENCTYPE_ARCFOUR_HMAC_MD5_56	= KRB5_ENCTYPE_ARCFOUR_HMAC_MD5_56,
136    ENCTYPE_ENCTYPE_PK_CROSS	= KRB5_ENCTYPE_ENCTYPE_PK_CROSS,
137    ENCTYPE_DES_CBC_NONE	= KRB5_ENCTYPE_DES_CBC_NONE,
138    ENCTYPE_DES3_CBC_NONE	= KRB5_ENCTYPE_DES3_CBC_NONE,
139    ENCTYPE_DES_CFB64_NONE	= KRB5_ENCTYPE_DES_CFB64_NONE,
140    ENCTYPE_DES_PCBC_NONE	= KRB5_ENCTYPE_DES_PCBC_NONE,
141    ETYPE_NULL			= KRB5_ENCTYPE_NULL,
142    ETYPE_DES_CBC_CRC		= KRB5_ENCTYPE_DES_CBC_CRC,
143    ETYPE_DES_CBC_MD4		= KRB5_ENCTYPE_DES_CBC_MD4,
144    ETYPE_DES_CBC_MD5		= KRB5_ENCTYPE_DES_CBC_MD5,
145    ETYPE_DES3_CBC_MD5		= KRB5_ENCTYPE_DES3_CBC_MD5,
146    ETYPE_OLD_DES3_CBC_SHA1	= KRB5_ENCTYPE_OLD_DES3_CBC_SHA1,
147    ETYPE_SIGN_DSA_GENERATE	= KRB5_ENCTYPE_SIGN_DSA_GENERATE,
148    ETYPE_ENCRYPT_RSA_PRIV	= KRB5_ENCTYPE_ENCRYPT_RSA_PRIV,
149    ETYPE_ENCRYPT_RSA_PUB	= KRB5_ENCTYPE_ENCRYPT_RSA_PUB,
150    ETYPE_DES3_CBC_SHA1		= KRB5_ENCTYPE_DES3_CBC_SHA1,
151    ETYPE_AES128_CTS_HMAC_SHA1_96	= KRB5_ENCTYPE_AES128_CTS_HMAC_SHA1_96,
152    ETYPE_AES256_CTS_HMAC_SHA1_96	= KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96,
153    ETYPE_ARCFOUR_HMAC_MD5	= KRB5_ENCTYPE_ARCFOUR_HMAC_MD5,
154    ETYPE_ARCFOUR_HMAC_MD5_56	= KRB5_ENCTYPE_ARCFOUR_HMAC_MD5_56,
155    ETYPE_ENCTYPE_PK_CROSS	= KRB5_ENCTYPE_ENCTYPE_PK_CROSS,
156    ETYPE_ARCFOUR_MD4		= KRB5_ENCTYPE_ARCFOUR_MD4,
157    ETYPE_ARCFOUR_HMAC_OLD	= KRB5_ENCTYPE_ARCFOUR_HMAC_OLD,
158    ETYPE_ARCFOUR_HMAC_OLD_EXP	= KRB5_ENCTYPE_ARCFOUR_HMAC_OLD_EXP,
159    ETYPE_DES_CBC_NONE		= KRB5_ENCTYPE_DES_CBC_NONE,
160    ETYPE_DES3_CBC_NONE		= KRB5_ENCTYPE_DES3_CBC_NONE,
161    ETYPE_DES_CFB64_NONE	= KRB5_ENCTYPE_DES_CFB64_NONE,
162    ETYPE_DES_PCBC_NONE		= KRB5_ENCTYPE_DES_PCBC_NONE,
163    ETYPE_DIGEST_MD5_NONE	= KRB5_ENCTYPE_DIGEST_MD5_NONE,
164    ETYPE_CRAM_MD5_NONE		= KRB5_ENCTYPE_CRAM_MD5_NONE
165
166};
167
168/* PDU types */
169typedef enum krb5_pdu {
170    KRB5_PDU_ERROR = 0,
171    KRB5_PDU_TICKET = 1,
172    KRB5_PDU_AS_REQUEST = 2,
173    KRB5_PDU_AS_REPLY = 3,
174    KRB5_PDU_TGS_REQUEST = 4,
175    KRB5_PDU_TGS_REPLY = 5,
176    KRB5_PDU_AP_REQUEST = 6,
177    KRB5_PDU_AP_REPLY = 7,
178    KRB5_PDU_KRB_SAFE = 8,
179    KRB5_PDU_KRB_PRIV = 9,
180    KRB5_PDU_KRB_CRED = 10,
181    KRB5_PDU_NONE = 11 /* See krb5_get_permitted_enctypes() */
182} krb5_pdu;
183
184typedef PADATA_TYPE krb5_preauthtype;
185
186typedef enum krb5_key_usage {
187    KRB5_KU_PA_ENC_TIMESTAMP = 1,
188    /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
189       client key (section 5.4.1) */
190    KRB5_KU_TICKET = 2,
191    /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
192       application session key), encrypted with the service key
193       (section 5.4.2) */
194    KRB5_KU_AS_REP_ENC_PART = 3,
195    /* AS-REP encrypted part (includes tgs session key or application
196       session key), encrypted with the client key (section 5.4.2) */
197    KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
198    /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
199       session key (section 5.4.1) */
200    KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
201    /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
202          authenticator subkey (section 5.4.1) */
203    KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
204    /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
205       with the tgs session key (sections 5.3.2, 5.4.1) */
206    KRB5_KU_TGS_REQ_AUTH = 7,
207    /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
208       authenticator subkey), encrypted with the tgs session key
209       (section 5.3.2) */
210    KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
211    /* TGS-REP encrypted part (includes application session key),
212       encrypted with the tgs session key (section 5.4.2) */
213    KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
214    /* TGS-REP encrypted part (includes application session key),
215       encrypted with the tgs authenticator subkey (section 5.4.2) */
216    KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
217    /* AP-REQ Authenticator cksum, keyed with the application session
218       key (section 5.3.2) */
219    KRB5_KU_AP_REQ_AUTH = 11,
220    /* AP-REQ Authenticator (includes application authenticator
221       subkey), encrypted with the application session key (section
222       5.3.2) */
223    KRB5_KU_AP_REQ_ENC_PART = 12,
224    /* AP-REP encrypted part (includes application session subkey),
225       encrypted with the application session key (section 5.5.2) */
226    KRB5_KU_KRB_PRIV = 13,
227    /* KRB-PRIV encrypted part, encrypted with a key chosen by the
228       application (section 5.7.1) */
229    KRB5_KU_KRB_CRED = 14,
230    /* KRB-CRED encrypted part, encrypted with a key chosen by the
231       application (section 5.8.1) */
232    KRB5_KU_KRB_SAFE_CKSUM = 15,
233    /* KRB-SAFE cksum, keyed with a key chosen by the application
234       (section 5.6.1) */
235    KRB5_KU_OTHER_ENCRYPTED = 16,
236    /* Data which is defined in some specification outside of
237       Kerberos to be encrypted using an RFC1510 encryption type. */
238    KRB5_KU_OTHER_CKSUM = 17,
239    /* Data which is defined in some specification outside of
240       Kerberos to be checksummed using an RFC1510 checksum type. */
241    KRB5_KU_KRB_ERROR = 18,
242    /* Krb-error checksum */
243    KRB5_KU_AD_KDC_ISSUED = 19,
244    /* AD-KDCIssued checksum */
245    KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
246    /* Checksum for Mandatory Ticket Extensions */
247    KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
248    /* Checksum in Authorization Data in Ticket Extensions */
249    KRB5_KU_USAGE_SEAL = 22,
250    /* seal in GSSAPI krb5 mechanism */
251    KRB5_KU_USAGE_SIGN = 23,
252    /* sign in GSSAPI krb5 mechanism */
253    KRB5_KU_USAGE_SEQ = 24,
254    /* SEQ in GSSAPI krb5 mechanism */
255    KRB5_KU_USAGE_ACCEPTOR_SEAL = 22,
256    /* acceptor sign in GSSAPI CFX krb5 mechanism */
257    KRB5_KU_USAGE_ACCEPTOR_SIGN = 23,
258    /* acceptor seal in GSSAPI CFX krb5 mechanism */
259    KRB5_KU_USAGE_INITIATOR_SEAL = 24,
260    /* initiator sign in GSSAPI CFX krb5 mechanism */
261    KRB5_KU_USAGE_INITIATOR_SIGN = 25,
262    /* initiator seal in GSSAPI CFX krb5 mechanism */
263    KRB5_KU_PA_SERVER_REFERRAL_DATA = 22,
264    /* encrypted server referral data */
265    KRB5_KU_SAM_CHECKSUM = 25,
266    /* Checksum for the SAM-CHECKSUM field */
267    KRB5_KU_SAM_ENC_TRACK_ID = 26,
268    /* Encryption of the SAM-TRACK-ID field */
269    KRB5_KU_PA_SERVER_REFERRAL = 26,
270    /* Keyusage for the server referral in a TGS req */
271    KRB5_KU_SAM_ENC_NONCE_SAD = 27,
272    /* Encryption of the SAM-NONCE-OR-SAD field */
273    KRB5_KU_PA_PKINIT_KX = 44,
274    /* Encryption type of the kdc session contribution in pk-init */
275    KRB5_KU_AS_REQ = 56,
276    /* Checksum of over the AS-REQ send by the KDC in PA-REQ-ENC-PA-REP */
277    KRB5_KU_DIGEST_ENCRYPT = -18,
278    /* Encryption key usage used in the digest encryption field */
279    KRB5_KU_DIGEST_OPAQUE = -19,
280    /* Checksum key usage used in the digest opaque field */
281    KRB5_KU_KRB5SIGNEDPATH = -21,
282    /* Checksum key usage on KRB5SignedPath */
283    KRB5_KU_CANONICALIZED_NAMES = -23
284    /* Checksum key usage on PA-CANONICALIZED */
285} krb5_key_usage;
286
287typedef krb5_key_usage krb5_keyusage;
288
289typedef enum krb5_salttype {
290    KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
291    KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
292}krb5_salttype;
293
294typedef struct krb5_salt {
295    krb5_salttype salttype;
296    krb5_data saltvalue;
297} krb5_salt;
298
299typedef ETYPE_INFO krb5_preauthinfo;
300
301typedef struct {
302    krb5_preauthtype type;
303    krb5_preauthinfo info; /* list of preauthinfo for this type */
304} krb5_preauthdata_entry;
305
306typedef struct krb5_preauthdata {
307    unsigned len;
308    krb5_preauthdata_entry *val;
309}krb5_preauthdata;
310
311typedef enum krb5_address_type {
312    KRB5_ADDRESS_INET     =   2,
313    KRB5_ADDRESS_NETBIOS  =  20,
314    KRB5_ADDRESS_INET6    =  24,
315    KRB5_ADDRESS_ADDRPORT = 256,
316    KRB5_ADDRESS_IPPORT   = 257
317} krb5_address_type;
318
319enum {
320  AP_OPTS_USE_SESSION_KEY = 1,
321  AP_OPTS_MUTUAL_REQUIRED = 2,
322  AP_OPTS_USE_SUBKEY = 4		/* library internal */
323};
324
325typedef HostAddress krb5_address;
326
327typedef HostAddresses krb5_addresses;
328
329typedef krb5_enctype krb5_keytype;
330
331enum krb5_keytype_old {
332    KEYTYPE_NULL	= ETYPE_NULL,
333    KEYTYPE_DES		= ETYPE_DES_CBC_CRC,
334    KEYTYPE_DES3	= ETYPE_OLD_DES3_CBC_SHA1,
335    KEYTYPE_AES128	= ETYPE_AES128_CTS_HMAC_SHA1_96,
336    KEYTYPE_AES256	= ETYPE_AES256_CTS_HMAC_SHA1_96,
337    KEYTYPE_ARCFOUR	= ETYPE_ARCFOUR_HMAC_MD5,
338    KEYTYPE_ARCFOUR_56	= ETYPE_ARCFOUR_HMAC_MD5_56
339};
340
341typedef EncryptionKey krb5_keyblock;
342
343typedef AP_REQ krb5_ap_req;
344
345struct krb5_cc_ops;
346
347#ifdef _WIN32
348#define KRB5_USE_PATH_TOKENS 1
349#endif
350
351#ifdef KRB5_USE_PATH_TOKENS
352#define KRB5_DEFAULT_CCFILE_ROOT "%{TEMP}/krb5cc_"
353#else
354#define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"
355#endif
356
357#define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT
358
359#define KRB5_ACCEPT_NULL_ADDRESSES(C) 					 \
360    krb5_config_get_bool_default((C), NULL, TRUE, 			 \
361				 "libdefaults", "accept_null_addresses", \
362				 NULL)
363
364typedef void *krb5_cc_cursor;
365typedef struct krb5_cccol_cursor_data *krb5_cccol_cursor;
366
367typedef struct krb5_ccache_data {
368    const struct krb5_cc_ops *ops;
369    krb5_data data;
370}krb5_ccache_data;
371
372typedef struct krb5_ccache_data *krb5_ccache;
373
374typedef struct krb5_context_data *krb5_context;
375
376typedef Realm krb5_realm;
377typedef const char *krb5_const_realm; /* stupid language */
378
379#define krb5_realm_length(r) strlen(r)
380#define krb5_realm_data(r) (r)
381
382typedef Principal krb5_principal_data;
383typedef struct Principal *krb5_principal;
384typedef const struct Principal *krb5_const_principal;
385typedef struct Principals *krb5_principals;
386
387typedef time_t krb5_deltat;
388typedef time_t krb5_timestamp;
389
390typedef struct krb5_times {
391  krb5_timestamp authtime;
392  krb5_timestamp starttime;
393  krb5_timestamp endtime;
394  krb5_timestamp renew_till;
395} krb5_times;
396
397typedef union {
398    TicketFlags b;
399    krb5_flags i;
400} krb5_ticket_flags;
401
402/* options for krb5_get_in_tkt() */
403#define KDC_OPT_FORWARDABLE		(1 << 1)
404#define KDC_OPT_FORWARDED		(1 << 2)
405#define KDC_OPT_PROXIABLE		(1 << 3)
406#define KDC_OPT_PROXY			(1 << 4)
407#define KDC_OPT_ALLOW_POSTDATE		(1 << 5)
408#define KDC_OPT_POSTDATED		(1 << 6)
409#define KDC_OPT_RENEWABLE		(1 << 8)
410#define KDC_OPT_REQUEST_ANONYMOUS	(1 << 14)
411#define KDC_OPT_DISABLE_TRANSITED_CHECK	(1 << 26)
412#define KDC_OPT_RENEWABLE_OK		(1 << 27)
413#define KDC_OPT_ENC_TKT_IN_SKEY		(1 << 28)
414#define KDC_OPT_RENEW			(1 << 30)
415#define KDC_OPT_VALIDATE		(1 << 31)
416
417typedef union {
418    KDCOptions b;
419    krb5_flags i;
420} krb5_kdc_flags;
421
422/* flags for krb5_verify_ap_req */
423
424#define KRB5_VERIFY_AP_REQ_IGNORE_INVALID	(1 << 0)
425
426#define KRB5_GC_CACHED			(1U << 0)
427#define KRB5_GC_USER_USER		(1U << 1)
428#define KRB5_GC_EXPIRED_OK		(1U << 2)
429#define KRB5_GC_NO_STORE		(1U << 3)
430#define KRB5_GC_FORWARDABLE		(1U << 4)
431#define KRB5_GC_NO_TRANSIT_CHECK	(1U << 5)
432#define KRB5_GC_CONSTRAINED_DELEGATION	(1U << 6)
433#define KRB5_GC_CANONICALIZE		(1U << 7)
434
435/* constants for compare_creds (and cc_retrieve_cred) */
436#define KRB5_TC_DONT_MATCH_REALM	(1U << 31)
437#define KRB5_TC_MATCH_KEYTYPE		(1U << 30)
438#define KRB5_TC_MATCH_KTYPE		KRB5_TC_MATCH_KEYTYPE    /* MIT name */
439#define KRB5_TC_MATCH_SRV_NAMEONLY	(1 << 29)
440#define KRB5_TC_MATCH_FLAGS_EXACT	(1 << 28)
441#define KRB5_TC_MATCH_FLAGS		(1 << 27)
442#define KRB5_TC_MATCH_TIMES_EXACT	(1 << 26)
443#define KRB5_TC_MATCH_TIMES		(1 << 25)
444#define KRB5_TC_MATCH_AUTHDATA		(1 << 24)
445#define KRB5_TC_MATCH_2ND_TKT		(1 << 23)
446#define KRB5_TC_MATCH_IS_SKEY		(1 << 22)
447
448/* constants for get_flags and set_flags */
449#define KRB5_TC_OPENCLOSE 0x00000001
450#define KRB5_TC_NOTICKET  0x00000002
451
452typedef AuthorizationData krb5_authdata;
453
454typedef KRB_ERROR krb5_error;
455
456typedef struct krb5_creds {
457    krb5_principal client;
458    krb5_principal server;
459    krb5_keyblock session;
460    krb5_times times;
461    krb5_data ticket;
462    krb5_data second_ticket;
463    krb5_authdata authdata;
464    krb5_addresses addresses;
465    krb5_ticket_flags flags;
466} krb5_creds;
467
468typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;
469
470#define KRB5_CC_OPS_VERSION 3
471
472typedef struct krb5_cc_ops {
473    int version;
474    const char *prefix;
475    const char* (KRB5_CALLCONV * get_name)(krb5_context, krb5_ccache);
476    krb5_error_code (KRB5_CALLCONV * resolve)(krb5_context, krb5_ccache *, const char *);
477    krb5_error_code (KRB5_CALLCONV * gen_new)(krb5_context, krb5_ccache *);
478    krb5_error_code (KRB5_CALLCONV * init)(krb5_context, krb5_ccache, krb5_principal);
479    krb5_error_code (KRB5_CALLCONV * destroy)(krb5_context, krb5_ccache);
480    krb5_error_code (KRB5_CALLCONV * close)(krb5_context, krb5_ccache);
481    krb5_error_code (KRB5_CALLCONV * store)(krb5_context, krb5_ccache, krb5_creds*);
482    krb5_error_code (KRB5_CALLCONV * retrieve)(krb5_context, krb5_ccache,
483					       krb5_flags, const krb5_creds*, krb5_creds *);
484    krb5_error_code (KRB5_CALLCONV * get_princ)(krb5_context, krb5_ccache, krb5_principal*);
485    krb5_error_code (KRB5_CALLCONV * get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
486    krb5_error_code (KRB5_CALLCONV * get_next)(krb5_context, krb5_ccache,
487					       krb5_cc_cursor*, krb5_creds*);
488    krb5_error_code (KRB5_CALLCONV * end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
489    krb5_error_code (KRB5_CALLCONV * remove_cred)(krb5_context, krb5_ccache,
490						  krb5_flags, krb5_creds*);
491    krb5_error_code (KRB5_CALLCONV * set_flags)(krb5_context, krb5_ccache, krb5_flags);
492    int (KRB5_CALLCONV * get_version)(krb5_context, krb5_ccache);
493    krb5_error_code (KRB5_CALLCONV * get_cache_first)(krb5_context, krb5_cc_cursor *);
494    krb5_error_code (KRB5_CALLCONV * get_cache_next)(krb5_context, krb5_cc_cursor,
495						     krb5_ccache *);
496    krb5_error_code (KRB5_CALLCONV * end_cache_get)(krb5_context, krb5_cc_cursor);
497    krb5_error_code (KRB5_CALLCONV * move)(krb5_context, krb5_ccache, krb5_ccache);
498    krb5_error_code (KRB5_CALLCONV * get_default_name)(krb5_context, char **);
499    krb5_error_code (KRB5_CALLCONV * set_default)(krb5_context, krb5_ccache);
500    krb5_error_code (KRB5_CALLCONV * lastchange)(krb5_context, krb5_ccache, krb5_timestamp *);
501    krb5_error_code (KRB5_CALLCONV * set_kdc_offset)(krb5_context, krb5_ccache, krb5_deltat);
502    krb5_error_code (KRB5_CALLCONV * get_kdc_offset)(krb5_context, krb5_ccache, krb5_deltat *);
503} krb5_cc_ops;
504
505struct krb5_log_facility;
506
507struct krb5_config_binding {
508    enum { krb5_config_string, krb5_config_list } type;
509    char *name;
510    struct krb5_config_binding *next;
511    union {
512	char *string;
513	struct krb5_config_binding *list;
514	void *generic;
515    } u;
516};
517
518typedef struct krb5_config_binding krb5_config_binding;
519
520typedef krb5_config_binding krb5_config_section;
521
522typedef struct krb5_ticket {
523    EncTicketPart ticket;
524    krb5_principal client;
525    krb5_principal server;
526} krb5_ticket;
527
528typedef Authenticator krb5_authenticator_data;
529
530typedef krb5_authenticator_data *krb5_authenticator;
531
532struct krb5_rcache_data;
533typedef struct krb5_rcache_data *krb5_rcache;
534typedef Authenticator krb5_donot_replay;
535
536#define KRB5_STORAGE_HOST_BYTEORDER			0x01 /* old */
537#define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS	0x02
538#define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE		0x04
539#define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE		0x08
540#define KRB5_STORAGE_BYTEORDER_MASK			0x60
541#define KRB5_STORAGE_BYTEORDER_BE			0x00 /* default */
542#define KRB5_STORAGE_BYTEORDER_LE			0x20
543#define KRB5_STORAGE_BYTEORDER_HOST			0x40
544#define KRB5_STORAGE_CREDS_FLAGS_WRONG_BITORDER		0x80
545
546struct krb5_storage_data;
547typedef struct krb5_storage_data krb5_storage;
548
549typedef struct krb5_keytab_entry {
550    krb5_principal principal;
551    krb5_kvno vno;
552    krb5_keyblock keyblock;
553    uint32_t timestamp;
554    uint32_t flags;
555    krb5_principals aliases;
556} krb5_keytab_entry;
557
558typedef struct krb5_kt_cursor {
559    int fd;
560    krb5_storage *sp;
561    void *data;
562} krb5_kt_cursor;
563
564struct krb5_keytab_data;
565
566typedef struct krb5_keytab_data *krb5_keytab;
567
568#define KRB5_KT_PREFIX_MAX_LEN	30
569
570struct krb5_keytab_data {
571    const char *prefix;
572    krb5_error_code (KRB5_CALLCONV * resolve)(krb5_context, const char*, krb5_keytab);
573    krb5_error_code (KRB5_CALLCONV * get_name)(krb5_context, krb5_keytab, char*, size_t);
574    krb5_error_code (KRB5_CALLCONV * close)(krb5_context, krb5_keytab);
575    krb5_error_code (KRB5_CALLCONV * destroy)(krb5_context, krb5_keytab);
576    krb5_error_code (KRB5_CALLCONV * get)(krb5_context, krb5_keytab, krb5_const_principal,
577					  krb5_kvno, krb5_enctype, krb5_keytab_entry*);
578    krb5_error_code (KRB5_CALLCONV * start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
579    krb5_error_code (KRB5_CALLCONV * next_entry)(krb5_context, krb5_keytab,
580						 krb5_keytab_entry*, krb5_kt_cursor*);
581    krb5_error_code (KRB5_CALLCONV * end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
582    krb5_error_code (KRB5_CALLCONV * add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
583    krb5_error_code (KRB5_CALLCONV * remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
584    void *data;
585    int32_t version;
586};
587
588typedef struct krb5_keytab_data krb5_kt_ops;
589
590struct krb5_keytab_key_proc_args {
591    krb5_keytab keytab;
592    krb5_principal principal;
593};
594
595typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;
596
597typedef struct krb5_replay_data {
598    krb5_timestamp timestamp;
599    int32_t usec;
600    uint32_t seq;
601} krb5_replay_data;
602
603/* flags for krb5_auth_con_setflags */
604enum {
605    KRB5_AUTH_CONTEXT_DO_TIME      		= 1,
606    KRB5_AUTH_CONTEXT_RET_TIME     		= 2,
607    KRB5_AUTH_CONTEXT_DO_SEQUENCE  		= 4,
608    KRB5_AUTH_CONTEXT_RET_SEQUENCE 		= 8,
609    KRB5_AUTH_CONTEXT_PERMIT_ALL   		= 16,
610    KRB5_AUTH_CONTEXT_USE_SUBKEY   		= 32,
611    KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED	= 64
612};
613
614/* flags for krb5_auth_con_genaddrs */
615enum {
616    KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
617    KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
618    KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
619    KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
620};
621
622typedef struct krb5_auth_context_data {
623    unsigned int flags;
624
625    krb5_address *local_address;
626    krb5_address *remote_address;
627    int16_t local_port;
628    int16_t remote_port;
629    krb5_keyblock *keyblock;
630    krb5_keyblock *local_subkey;
631    krb5_keyblock *remote_subkey;
632
633    uint32_t local_seqnumber;
634    uint32_t remote_seqnumber;
635
636    krb5_authenticator authenticator;
637
638    krb5_pointer i_vector;
639
640    krb5_rcache rcache;
641
642    krb5_keytype keytype;	/* ¿requested key type ? */
643    krb5_cksumtype cksumtype;	/* ¡requested checksum type! */
644
645}krb5_auth_context_data, *krb5_auth_context;
646
647typedef struct {
648    KDC_REP kdc_rep;
649    EncKDCRepPart enc_part;
650    KRB_ERROR error;
651} krb5_kdc_rep;
652
653extern const char *heimdal_version, *heimdal_long_version;
654
655typedef void (KRB5_CALLCONV * krb5_log_log_func_t)(const char*, const char*, void*);
656typedef void (KRB5_CALLCONV * krb5_log_close_func_t)(void*);
657
658typedef struct krb5_log_facility {
659    char *program;
660    int len;
661    struct facility *val;
662} krb5_log_facility;
663
664typedef EncAPRepPart krb5_ap_rep_enc_part;
665
666#define KRB5_RECVAUTH_IGNORE_VERSION 1
667
668#define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"
669
670#define KRB5_TGS_NAME_SIZE (6)
671#define KRB5_TGS_NAME ("krbtgt")
672#define KRB5_WELLKNOWN_NAME ("WELLKNOWN")
673#define KRB5_ANON_NAME ("ANONYMOUS")
674#define KRB5_DIGEST_NAME ("digest")
675
676typedef enum {
677    KRB5_PROMPT_TYPE_PASSWORD		= 0x1,
678    KRB5_PROMPT_TYPE_NEW_PASSWORD	= 0x2,
679    KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
680    KRB5_PROMPT_TYPE_PREAUTH		= 0x4,
681    KRB5_PROMPT_TYPE_INFO		= 0x5
682} krb5_prompt_type;
683
684typedef struct _krb5_prompt {
685    const char *prompt;
686    int hidden;
687    krb5_data *reply;
688    krb5_prompt_type type;
689} krb5_prompt;
690
691typedef int (KRB5_CALLCONV * krb5_prompter_fct)(krb5_context /*context*/,
692						void * /*data*/,
693						const char * /*name*/,
694						const char * /*banner*/,
695						int /*num_prompts*/,
696						krb5_prompt /*prompts*/[]);
697typedef krb5_error_code (KRB5_CALLCONV * krb5_key_proc)(krb5_context /*context*/,
698							krb5_enctype /*type*/,
699							krb5_salt /*salt*/,
700							krb5_const_pointer /*keyseed*/,
701							krb5_keyblock ** /*key*/);
702typedef krb5_error_code (KRB5_CALLCONV * krb5_decrypt_proc)(krb5_context /*context*/,
703							    krb5_keyblock * /*key*/,
704							    krb5_key_usage /*usage*/,
705							    krb5_const_pointer /*decrypt_arg*/,
706							    krb5_kdc_rep * /*dec_rep*/);
707typedef krb5_error_code (KRB5_CALLCONV * krb5_s2k_proc)(krb5_context /*context*/,
708							krb5_enctype /*type*/,
709							krb5_const_pointer /*keyseed*/,
710							krb5_salt /*salt*/,
711							krb5_data * /*s2kparms*/,
712							krb5_keyblock ** /*key*/);
713
714struct _krb5_get_init_creds_opt_private;
715
716struct _krb5_get_init_creds_opt {
717    krb5_flags flags;
718    krb5_deltat tkt_life;
719    krb5_deltat renew_life;
720    int forwardable;
721    int proxiable;
722    int anonymous;
723    krb5_enctype *etype_list;
724    int etype_list_length;
725    krb5_addresses *address_list;
726    /* XXX the next three should not be used, as they may be
727       removed later */
728    krb5_preauthtype *preauth_list;
729    int preauth_list_length;
730    krb5_data *salt;
731    struct _krb5_get_init_creds_opt_private *opt_private;
732};
733
734typedef struct _krb5_get_init_creds_opt krb5_get_init_creds_opt;
735
736#define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE	0x0001
737#define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE	0x0002
738#define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE	0x0004
739#define KRB5_GET_INIT_CREDS_OPT_PROXIABLE	0x0008
740#define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST	0x0010
741#define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST	0x0020
742#define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST	0x0040
743#define KRB5_GET_INIT_CREDS_OPT_SALT		0x0080 /* no supported */
744#define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS	0x0100
745#define KRB5_GET_INIT_CREDS_OPT_DISABLE_TRANSITED_CHECK	0x0200
746
747/* krb5_init_creds_step flags argument */
748#define KRB5_INIT_CREDS_STEP_FLAG_CONTINUE	0x0001
749
750typedef struct _krb5_verify_init_creds_opt {
751    krb5_flags flags;
752    int ap_req_nofail;
753} krb5_verify_init_creds_opt;
754
755#define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL	0x0001
756
757typedef struct krb5_verify_opt {
758    unsigned int flags;
759    krb5_ccache ccache;
760    krb5_keytab keytab;
761    krb5_boolean secure;
762    const char *service;
763} krb5_verify_opt;
764
765#define KRB5_VERIFY_LREALMS		1
766#define KRB5_VERIFY_NO_ADDRESSES	2
767
768#define KRB5_KPASSWD_VERS_CHANGEPW      1
769#define KRB5_KPASSWD_VERS_SETPW         0xff80
770
771#define KRB5_KPASSWD_SUCCESS	0
772#define KRB5_KPASSWD_MALFORMED	1
773#define KRB5_KPASSWD_HARDERROR	2
774#define KRB5_KPASSWD_AUTHERROR	3
775#define KRB5_KPASSWD_SOFTERROR	4
776#define KRB5_KPASSWD_ACCESSDENIED 5
777#define KRB5_KPASSWD_BAD_VERSION 6
778#define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
779
780#define KPASSWD_PORT 464
781
782/* types for the new krbhst interface */
783struct krb5_krbhst_data;
784typedef struct krb5_krbhst_data *krb5_krbhst_handle;
785
786#define KRB5_KRBHST_KDC		1
787#define KRB5_KRBHST_ADMIN	2
788#define KRB5_KRBHST_CHANGEPW	3
789#define KRB5_KRBHST_KRB524	4
790#define KRB5_KRBHST_KCA		5
791
792typedef struct krb5_krbhst_info {
793    enum { KRB5_KRBHST_UDP,
794	   KRB5_KRBHST_TCP,
795	   KRB5_KRBHST_HTTP } proto;
796    unsigned short port;
797    unsigned short def_port;
798    struct addrinfo *ai;
799    struct krb5_krbhst_info *next;
800    char hostname[1]; /* has to come last */
801} krb5_krbhst_info;
802
803/* flags for krb5_krbhst_init_flags (and krb5_send_to_kdc_flags) */
804enum {
805    KRB5_KRBHST_FLAGS_MASTER      = 1,
806    KRB5_KRBHST_FLAGS_LARGE_MSG	  = 2
807};
808
809typedef krb5_error_code
810(KRB5_CALLCONV * krb5_send_to_kdc_func)(krb5_context, void *, krb5_krbhst_info *, time_t,
811					const krb5_data *, krb5_data *);
812
813/** flags for krb5_parse_name_flags */
814enum {
815    KRB5_PRINCIPAL_PARSE_NO_REALM = 1, /**< Require that there are no realm */
816    KRB5_PRINCIPAL_PARSE_REQUIRE_REALM = 2, /**< Require a realm present */
817    KRB5_PRINCIPAL_PARSE_ENTERPRISE = 4 /**< Parse as a NT-ENTERPRISE name */
818};
819
820/** flags for krb5_unparse_name_flags */
821enum {
822    KRB5_PRINCIPAL_UNPARSE_SHORT = 1, /**< No realm if it is the default realm */
823    KRB5_PRINCIPAL_UNPARSE_NO_REALM = 2, /**< No realm */
824    KRB5_PRINCIPAL_UNPARSE_DISPLAY = 4 /**< No quoting */
825};
826
827typedef struct krb5_sendto_ctx_data *krb5_sendto_ctx;
828
829#define KRB5_SENDTO_DONE	0
830#define KRB5_SENDTO_RESTART	1
831#define KRB5_SENDTO_CONTINUE	2
832
833typedef krb5_error_code
834(KRB5_CALLCONV * krb5_sendto_ctx_func)(krb5_context, krb5_sendto_ctx, void *,
835				       const krb5_data *, int *);
836
837struct krb5_plugin;
838enum krb5_plugin_type {
839    PLUGIN_TYPE_DATA = 1,
840    PLUGIN_TYPE_FUNC
841};
842
843struct credentials; /* this is to keep the compiler happy */
844struct getargs;
845struct sockaddr;
846
847/**
848 * Semi private, not stable yet
849 */
850
851typedef struct krb5_crypto_iov {
852    unsigned int flags;
853    /* ignored */
854#define KRB5_CRYPTO_TYPE_EMPTY		0
855    /* OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_HEADER) */
856#define KRB5_CRYPTO_TYPE_HEADER		1
857    /* IN and OUT */
858#define KRB5_CRYPTO_TYPE_DATA		2
859    /* IN */
860#define KRB5_CRYPTO_TYPE_SIGN_ONLY	3
861   /* (only for encryption) OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_TRAILER) */
862#define KRB5_CRYPTO_TYPE_PADDING	4
863   /* OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_TRAILER) */
864#define KRB5_CRYPTO_TYPE_TRAILER	5
865   /* OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_CHECKSUM) */
866#define KRB5_CRYPTO_TYPE_CHECKSUM	6
867    krb5_data data;
868} krb5_crypto_iov;
869
870
871/* Glue for MIT */
872
873typedef struct {
874    int32_t lr_type;
875    krb5_timestamp value;
876} krb5_last_req_entry;
877
878typedef krb5_error_code
879(KRB5_CALLCONV * krb5_gic_process_last_req)(krb5_context, krb5_last_req_entry **, void *);
880
881/*
882 *
883 */
884
885struct hx509_certs_data;
886
887#include <krb5-protos.h>
888
889/* variables */
890
891extern KRB5_LIB_VARIABLE const char *krb5_config_file;
892extern KRB5_LIB_VARIABLE const char *krb5_defkeyname;
893
894
895extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_acc_ops;
896extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_fcc_ops;
897extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_mcc_ops;
898extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_kcm_ops;
899extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_akcm_ops;
900extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_scc_ops;
901
902extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_fkt_ops;
903extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_wrfkt_ops;
904extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_javakt_ops;
905extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_mkt_ops;
906extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_akf_ops;
907extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_any_ops;
908
909extern KRB5_LIB_VARIABLE const char *krb5_cc_type_api;
910extern KRB5_LIB_VARIABLE const char *krb5_cc_type_file;
911extern KRB5_LIB_VARIABLE const char *krb5_cc_type_memory;
912extern KRB5_LIB_VARIABLE const char *krb5_cc_type_kcm;
913extern KRB5_LIB_VARIABLE const char *krb5_cc_type_scc;
914
915#endif /* __KRB5_H__ */
916
917