source/heimdal/lib/krb5/krb5.h

   1 /*
   2  * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /* $Id: krb5.h,v 1.255 2006/11/12 08:33:07 lha Exp $ */
  35
  36 #ifndef __KRB5_H__
  37 #define __KRB5_H__
  38
  39 #include <time.h>
  40 #include <krb5-types.h>
  41
  42 #include <asn1_err.h>
  43 #include <krb5_err.h>
  44 #include <heim_err.h>
  45 #include <k524_err.h>
  46
  47 #include <krb5_asn1.h>
  48
  49 /* name confusion with MIT */
  50 #ifndef KRB5KDC_ERR_KEY_EXP
  51 #define KRB5KDC_ERR_KEY_EXP KRB5KDC_ERR_KEY_EXPIRED
  52 #endif
  53
  54 /* simple constants */
  55
  56 #ifndef TRUE
  57 #define TRUE  1
  58 #define FALSE 0
  59 #endif
  60
  61 typedef int krb5_boolean;
  62
  63 typedef int32_t krb5_error_code;
  64
  65 typedef int krb5_kvno;
  66
  67 typedef uint32_t krb5_flags;
  68
  69 typedef void *krb5_pointer;
  70 typedef const void *krb5_const_pointer;
  71
  72 struct krb5_crypto_data;
  73 typedef struct krb5_crypto_data *krb5_crypto;
  74
  75 struct krb5_get_creds_opt_data;
  76 typedef struct krb5_get_creds_opt_data *krb5_get_creds_opt;
  77
  78 struct krb5_digest;
  79 typedef struct krb5_digest *krb5_digest;
  80
  81 struct krb5_pac;
  82
  83 typedef struct krb5_rd_req_in_ctx *krb5_rd_req_in_ctx;
  84 typedef struct krb5_rd_req_out_ctx *krb5_rd_req_out_ctx;
  85
  86 typedef CKSUMTYPE krb5_cksumtype;
  87
  88 typedef Checksum krb5_checksum;
  89
  90 typedef ENCTYPE krb5_enctype;
  91
  92 typedef heim_octet_string krb5_data;
  93
  94 /* PKINIT related forward declarations */
  95 struct ContentInfo;
  96 struct krb5_pk_identity;
  97 struct krb5_pk_cert;
  98
  99 /* krb5_enc_data is a mit compat structure */
 100 typedef struct krb5_enc_data {
 101     krb5_enctype enctype;
 102     krb5_kvno kvno;
 103     krb5_data ciphertext;
 104 } krb5_enc_data;
 105
 106 /* alternative names */
 107 enum {
 108     ENCTYPE_NULL                = ETYPE_NULL,
 109     ENCTYPE_DES_CBC_CRC         = ETYPE_DES_CBC_CRC,
 110     ENCTYPE_DES_CBC_MD4         = ETYPE_DES_CBC_MD4,
 111     ENCTYPE_DES_CBC_MD5         = ETYPE_DES_CBC_MD5,
 112     ENCTYPE_DES3_CBC_MD5        = ETYPE_DES3_CBC_MD5,
 113     ENCTYPE_OLD_DES3_CBC_SHA1   = ETYPE_OLD_DES3_CBC_SHA1,
 114     ENCTYPE_SIGN_DSA_GENERATE   = ETYPE_SIGN_DSA_GENERATE,
 115     ENCTYPE_ENCRYPT_RSA_PRIV    = ETYPE_ENCRYPT_RSA_PRIV,
 116     ENCTYPE_ENCRYPT_RSA_PUB     = ETYPE_ENCRYPT_RSA_PUB,
 117     ENCTYPE_DES3_CBC_SHA1       = ETYPE_DES3_CBC_SHA1,
 118     ENCTYPE_AES128_CTS_HMAC_SHA1_96 = ETYPE_AES128_CTS_HMAC_SHA1_96,
 119     ENCTYPE_AES256_CTS_HMAC_SHA1_96 = ETYPE_AES256_CTS_HMAC_SHA1_96,
 120     ENCTYPE_ARCFOUR_HMAC        = ETYPE_ARCFOUR_HMAC_MD5,
 121     ENCTYPE_ARCFOUR_HMAC_MD5    = ETYPE_ARCFOUR_HMAC_MD5,
 122     ENCTYPE_ARCFOUR_HMAC_MD5_56 = ETYPE_ARCFOUR_HMAC_MD5_56,
 123     ENCTYPE_ENCTYPE_PK_CROSS    = ETYPE_ENCTYPE_PK_CROSS,
 124     ENCTYPE_DES_CBC_NONE        = ETYPE_DES_CBC_NONE,
 125     ENCTYPE_DES3_CBC_NONE       = ETYPE_DES3_CBC_NONE,
 126     ENCTYPE_DES_CFB64_NONE      = ETYPE_DES_CFB64_NONE,
 127     ENCTYPE_DES_PCBC_NONE       = ETYPE_DES_PCBC_NONE
 128 };
 129
 130 typedef PADATA_TYPE krb5_preauthtype;
 131
 132 typedef enum krb5_key_usage {
 133     KRB5_KU_PA_ENC_TIMESTAMP = 1,
 134     /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
 135        client key (section 5.4.1) */
 136     KRB5_KU_TICKET = 2,
 137     /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
 138        application session key), encrypted with the service key
 139        (section 5.4.2) */
 140     KRB5_KU_AS_REP_ENC_PART = 3,
 141     /* AS-REP encrypted part (includes tgs session key or application
 142        session key), encrypted with the client key (section 5.4.2) */
 143     KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
 144     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 145        session key (section 5.4.1) */
 146     KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
 147     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 148           authenticator subkey (section 5.4.1) */
 149     KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
 150     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
 151        with the tgs session key (sections 5.3.2, 5.4.1) */
 152     KRB5_KU_TGS_REQ_AUTH = 7,
 153     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
 154        authenticator subkey), encrypted with the tgs session key
 155        (section 5.3.2) */
 156     KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
 157     /* TGS-REP encrypted part (includes application session key),
 158        encrypted with the tgs session key (section 5.4.2) */
 159     KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
 160     /* TGS-REP encrypted part (includes application session key),
 161        encrypted with the tgs authenticator subkey (section 5.4.2) */
 162     KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
 163     /* AP-REQ Authenticator cksum, keyed with the application session
 164        key (section 5.3.2) */
 165     KRB5_KU_AP_REQ_AUTH = 11,
 166     /* AP-REQ Authenticator (includes application authenticator
 167        subkey), encrypted with the application session key (section
 168        5.3.2) */
 169     KRB5_KU_AP_REQ_ENC_PART = 12,
 170     /* AP-REP encrypted part (includes application session subkey),
 171        encrypted with the application session key (section 5.5.2) */
 172     KRB5_KU_KRB_PRIV = 13,
 173     /* KRB-PRIV encrypted part, encrypted with a key chosen by the
 174        application (section 5.7.1) */
 175     KRB5_KU_KRB_CRED = 14,
 176     /* KRB-CRED encrypted part, encrypted with a key chosen by the
 177        application (section 5.8.1) */
 178     KRB5_KU_KRB_SAFE_CKSUM = 15,
 179     /* KRB-SAFE cksum, keyed with a key chosen by the application
 180        (section 5.6.1) */
 181     KRB5_KU_OTHER_ENCRYPTED = 16,
 182     /* Data which is defined in some specification outside of
 183        Kerberos to be encrypted using an RFC1510 encryption type. */
 184     KRB5_KU_OTHER_CKSUM = 17,
 185     /* Data which is defined in some specification outside of
 186        Kerberos to be checksummed using an RFC1510 checksum type. */
 187     KRB5_KU_KRB_ERROR = 18,
 188     /* Krb-error checksum */
 189     KRB5_KU_AD_KDC_ISSUED = 19,
 190     /* AD-KDCIssued checksum */
 191     KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
 192     /* Checksum for Mandatory Ticket Extensions */
 193     KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
 194     /* Checksum in Authorization Data in Ticket Extensions */
 195     KRB5_KU_USAGE_SEAL = 22,
 196     /* seal in GSSAPI krb5 mechanism */
 197     KRB5_KU_USAGE_SIGN = 23,
 198     /* sign in GSSAPI krb5 mechanism */
 199     KRB5_KU_USAGE_SEQ = 24,
 200     /* SEQ in GSSAPI krb5 mechanism */
 201     KRB5_KU_USAGE_ACCEPTOR_SEAL = 22,
 202     /* acceptor sign in GSSAPI CFX krb5 mechanism */
 203     KRB5_KU_USAGE_ACCEPTOR_SIGN = 23,
 204     /* acceptor seal in GSSAPI CFX krb5 mechanism */
 205     KRB5_KU_USAGE_INITIATOR_SEAL = 24,
 206     /* initiator sign in GSSAPI CFX krb5 mechanism */
 207     KRB5_KU_USAGE_INITIATOR_SIGN = 25,
 208     /* initiator seal in GSSAPI CFX krb5 mechanism */
 209     KRB5_KU_PA_SERVER_REFERRAL_DATA = 22,
 210     /* encrypted server referral data */
 211     KRB5_KU_SAM_CHECKSUM = 25,
 212     /* Checksum for the SAM-CHECKSUM field */
 213     KRB5_KU_SAM_ENC_TRACK_ID = 26,
 214     /* Encryption of the SAM-TRACK-ID field */
 215     KRB5_KU_PA_SERVER_REFERRAL = 26,
 216     /* Keyusage for the server referral in a TGS req */
 217     KRB5_KU_SAM_ENC_NONCE_SAD = 27,
 218     /* Encryption of the SAM-NONCE-OR-SAD field */
 219     KRB5_KU_TGS_IMPERSONATE = -17,
 220     /* Checksum type used in the impersonate field */
 221     KRB5_KU_DIGEST_ENCRYPT = -18,
 222     /* Encryption key usage used in the digest encryption field */
 223     KRB5_KU_DIGEST_OPAQUE = -19,
 224     /* Checksum key usage used in the digest opaque field */
 225     KRB5_KU_KRB5SIGNEDPATH = -21
 226     /* Checksum key usage on KRB5SignedPath */
 227 } krb5_key_usage;
 228
 229 typedef krb5_key_usage krb5_keyusage;
 230
 231 typedef enum krb5_salttype {
 232     KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
 233     KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
 234 }krb5_salttype;
 235
 236 typedef struct krb5_salt {
 237     krb5_salttype salttype;
 238     krb5_data saltvalue;
 239 } krb5_salt;
 240
 241 typedef ETYPE_INFO krb5_preauthinfo;
 242
 243 typedef struct {
 244     krb5_preauthtype type;
 245     krb5_preauthinfo info; /* list of preauthinfo for this type */
 246 } krb5_preauthdata_entry;
 247
 248 typedef struct krb5_preauthdata {
 249     unsigned len;
 250     krb5_preauthdata_entry *val;
 251 }krb5_preauthdata;
 252
 253 typedef enum krb5_address_type {
 254     KRB5_ADDRESS_INET     =   2,
 255     KRB5_ADDRESS_NETBIOS  =  20,
 256     KRB5_ADDRESS_INET6    =  24,
 257     KRB5_ADDRESS_ADDRPORT = 256,
 258     KRB5_ADDRESS_IPPORT   = 257
 259 } krb5_address_type;
 260
 261 enum {
 262   AP_OPTS_USE_SESSION_KEY = 1,
 263   AP_OPTS_MUTUAL_REQUIRED = 2,
 264   AP_OPTS_USE_SUBKEY = 4                /* library internal */
 265 };
 266
 267 typedef HostAddress krb5_address;
 268
 269 typedef HostAddresses krb5_addresses;
 270
 271 typedef enum krb5_keytype {
 272     KEYTYPE_NULL        = 0,
 273     KEYTYPE_DES         = 1,
 274     KEYTYPE_DES3        = 7,
 275     KEYTYPE_AES128      = 17,
 276     KEYTYPE_AES256      = 18,
 277     KEYTYPE_ARCFOUR     = 23,
 278     KEYTYPE_ARCFOUR_56  = 24
 279 } krb5_keytype;
 280
 281 typedef EncryptionKey krb5_keyblock;
 282
 283 typedef AP_REQ krb5_ap_req;
 284
 285 struct krb5_cc_ops;
 286
 287 #define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"
 288
 289 #define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT
 290
 291 #define KRB5_ACCEPT_NULL_ADDRESSES(C)                                    \
 292     krb5_config_get_bool_default((C), NULL, TRUE,                        \
 293                                  "libdefaults", "accept_null_addresses", \
 294                                  NULL)
 295
 296 typedef void *krb5_cc_cursor;
 297
 298 typedef struct krb5_ccache_data {
 299     const struct krb5_cc_ops *ops;
 300     krb5_data data;
 301 }krb5_ccache_data;
 302
 303 typedef struct krb5_ccache_data *krb5_ccache;
 304
 305 typedef struct krb5_context_data *krb5_context;
 306
 307 typedef Realm krb5_realm;
 308 typedef const char *krb5_const_realm; /* stupid language */
 309
 310 #define krb5_realm_length(r) strlen(r)
 311 #define krb5_realm_data(r) (r)
 312
 313 typedef Principal krb5_principal_data;
 314 typedef struct Principal *krb5_principal;
 315 typedef const struct Principal *krb5_const_principal;
 316
 317 typedef time_t krb5_deltat;
 318 typedef time_t krb5_timestamp;
 319
 320 typedef struct krb5_times {
 321   krb5_timestamp authtime;
 322   krb5_timestamp starttime;
 323   krb5_timestamp endtime;
 324   krb5_timestamp renew_till;
 325 } krb5_times;
 326
 327 typedef union {
 328     TicketFlags b;
 329     krb5_flags i;
 330 } krb5_ticket_flags;
 331
 332 /* options for krb5_get_in_tkt() */
 333 #define KDC_OPT_FORWARDABLE             (1 << 1)
 334 #define KDC_OPT_FORWARDED               (1 << 2)
 335 #define KDC_OPT_PROXIABLE               (1 << 3)
 336 #define KDC_OPT_PROXY                   (1 << 4)
 337 #define KDC_OPT_ALLOW_POSTDATE          (1 << 5)
 338 #define KDC_OPT_POSTDATED               (1 << 6)
 339 #define KDC_OPT_RENEWABLE               (1 << 8)
 340 #define KDC_OPT_REQUEST_ANONYMOUS       (1 << 14)
 341 #define KDC_OPT_DISABLE_TRANSITED_CHECK (1 << 26)
 342 #define KDC_OPT_RENEWABLE_OK            (1 << 27)
 343 #define KDC_OPT_ENC_TKT_IN_SKEY         (1 << 28)
 344 #define KDC_OPT_RENEW                   (1 << 30)
 345 #define KDC_OPT_VALIDATE                (1 << 31)
 346
 347 typedef union {
 348     KDCOptions b;
 349     krb5_flags i;
 350 } krb5_kdc_flags;
 351
 352 /* flags for krb5_verify_ap_req */
 353
 354 #define KRB5_VERIFY_AP_REQ_IGNORE_INVALID       (1 << 0)
 355
 356 #define KRB5_GC_CACHED                  (1U << 0)
 357 #define KRB5_GC_USER_USER               (1U << 1)
 358 #define KRB5_GC_EXPIRED_OK              (1U << 2)
 359 #define KRB5_GC_NO_STORE                (1U << 3)
 360 #define KRB5_GC_FORWARDABLE             (1U << 4)
 361 #define KRB5_GC_NO_TRANSIT_CHECK        (1U << 5)
 362
 363 /* constants for compare_creds (and cc_retrieve_cred) */
 364 #define KRB5_TC_DONT_MATCH_REALM        (1U << 31)
 365 #define KRB5_TC_MATCH_KEYTYPE           (1U << 30)
 366 #define KRB5_TC_MATCH_KTYPE             KRB5_TC_MATCH_KEYTYPE    /* MIT name */
 367 #define KRB5_TC_MATCH_SRV_NAMEONLY      (1 << 29)
 368 #define KRB5_TC_MATCH_FLAGS_EXACT       (1 << 28)
 369 #define KRB5_TC_MATCH_FLAGS             (1 << 27)
 370 #define KRB5_TC_MATCH_TIMES_EXACT       (1 << 26)
 371 #define KRB5_TC_MATCH_TIMES             (1 << 25)
 372 #define KRB5_TC_MATCH_AUTHDATA          (1 << 24)
 373 #define KRB5_TC_MATCH_2ND_TKT           (1 << 23)
 374 #define KRB5_TC_MATCH_IS_SKEY           (1 << 22)
 375
 376 typedef AuthorizationData krb5_authdata;
 377
 378 typedef KRB_ERROR krb5_error;
 379
 380 typedef struct krb5_creds {
 381     krb5_principal client;
 382     krb5_principal server;
 383     krb5_keyblock session;
 384     krb5_times times;
 385     krb5_data ticket;
 386     krb5_data second_ticket;
 387     krb5_authdata authdata;
 388     krb5_addresses addresses;
 389     krb5_ticket_flags flags;
 390 } krb5_creds;
 391
 392 typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;
 393
 394 typedef struct krb5_cc_ops {
 395     const char *prefix;
 396     const char* (*get_name)(krb5_context, krb5_ccache);
 397     krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);
 398     krb5_error_code (*gen_new)(krb5_context, krb5_ccache *);
 399     krb5_error_code (*init)(krb5_context, krb5_ccache, krb5_principal);
 400     krb5_error_code (*destroy)(krb5_context, krb5_ccache);
 401     krb5_error_code (*close)(krb5_context, krb5_ccache);
 402     krb5_error_code (*store)(krb5_context, krb5_ccache, krb5_creds*);
 403     krb5_error_code (*retrieve)(krb5_context, krb5_ccache,
 404                                 krb5_flags, const krb5_creds*, krb5_creds *);
 405     krb5_error_code (*get_princ)(krb5_context, krb5_ccache, krb5_principal*);
 406     krb5_error_code (*get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
 407     krb5_error_code (*get_next)(krb5_context, krb5_ccache,
 408                                 krb5_cc_cursor*, krb5_creds*);
 409     krb5_error_code (*end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
 410     krb5_error_code (*remove_cred)(krb5_context, krb5_ccache,
 411                                    krb5_flags, krb5_creds*);
 412     krb5_error_code (*set_flags)(krb5_context, krb5_ccache, krb5_flags);
 413     int (*get_version)(krb5_context, krb5_ccache);
 414     krb5_error_code (*get_cache_first)(krb5_context, krb5_cc_cursor *);
 415     krb5_error_code (*get_cache_next)(krb5_context, krb5_cc_cursor, krb5_ccache *);
 416     krb5_error_code (*end_cache_get)(krb5_context, krb5_cc_cursor);
 417 } krb5_cc_ops;
 418
 419 struct krb5_log_facility;
 420
 421 struct krb5_config_binding {
 422     enum { krb5_config_string, krb5_config_list } type;
 423     char *name;
 424     struct krb5_config_binding *next;
 425     union {
 426         char *string;
 427         struct krb5_config_binding *list;
 428         void *generic;
 429     } u;
 430 };
 431
 432 typedef struct krb5_config_binding krb5_config_binding;
 433
 434 typedef krb5_config_binding krb5_config_section;
 435
 436 enum {
 437     KRB5_PKINIT_WIN2K           = 1,    /* wire compatible with Windows 2k */
 438     KRB5_PKINIT_PACKET_CABLE    = 2     /* use packet cable standard */
 439 };
 440
 441 typedef struct krb5_ticket {
 442     EncTicketPart ticket;
 443     krb5_principal client;
 444     krb5_principal server;
 445 } krb5_ticket;
 446
 447 typedef Authenticator krb5_authenticator_data;
 448
 449 typedef krb5_authenticator_data *krb5_authenticator;
 450
 451 struct krb5_rcache_data;
 452 typedef struct krb5_rcache_data *krb5_rcache;
 453 typedef Authenticator krb5_donot_replay;
 454
 455 #define KRB5_STORAGE_HOST_BYTEORDER                     0x01 /* old */
 456 #define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS     0x02
 457 #define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE             0x04
 458 #define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE             0x08
 459 #define KRB5_STORAGE_BYTEORDER_MASK                     0x60
 460 #define KRB5_STORAGE_BYTEORDER_BE                       0x00 /* default */
 461 #define KRB5_STORAGE_BYTEORDER_LE                       0x20
 462 #define KRB5_STORAGE_BYTEORDER_HOST                     0x40
 463 #define KRB5_STORAGE_CREDS_FLAGS_WRONG_BITORDER         0x80
 464
 465 struct krb5_storage_data;
 466 typedef struct krb5_storage_data krb5_storage;
 467
 468 typedef struct krb5_keytab_entry {
 469     krb5_principal principal;
 470     krb5_kvno vno;
 471     krb5_keyblock keyblock;
 472     uint32_t timestamp;
 473 } krb5_keytab_entry;
 474
 475 typedef struct krb5_kt_cursor {
 476     int fd;
 477     krb5_storage *sp;
 478     void *data;
 479 } krb5_kt_cursor;
 480
 481 struct krb5_keytab_data;
 482
 483 typedef struct krb5_keytab_data *krb5_keytab;
 484
 485 #define KRB5_KT_PREFIX_MAX_LEN  30
 486
 487 struct krb5_keytab_data {
 488     const char *prefix;
 489     krb5_error_code (*resolve)(krb5_context, const char*, krb5_keytab);
 490     krb5_error_code (*get_name)(krb5_context, krb5_keytab, char*, size_t);
 491     krb5_error_code (*close)(krb5_context, krb5_keytab);
 492     krb5_error_code (*get)(krb5_context, krb5_keytab, krb5_const_principal,
 493                            krb5_kvno, krb5_enctype, krb5_keytab_entry*);
 494     krb5_error_code (*start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 495     krb5_error_code (*next_entry)(krb5_context, krb5_keytab,
 496                                   krb5_keytab_entry*, krb5_kt_cursor*);
 497     krb5_error_code (*end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 498     krb5_error_code (*add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 499     krb5_error_code (*remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 500     void *data;
 501     int32_t version;
 502 };
 503
 504 typedef struct krb5_keytab_data krb5_kt_ops;
 505
 506 struct krb5_keytab_key_proc_args {
 507     krb5_keytab keytab;
 508     krb5_principal principal;
 509 };
 510
 511 typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;
 512
 513 typedef struct krb5_replay_data {
 514     krb5_timestamp timestamp;
 515     int32_t usec;
 516     uint32_t seq;
 517 } krb5_replay_data;
 518
 519 /* flags for krb5_auth_con_setflags */
 520 enum {
 521     KRB5_AUTH_CONTEXT_DO_TIME                   = 1,
 522     KRB5_AUTH_CONTEXT_RET_TIME                  = 2,
 523     KRB5_AUTH_CONTEXT_DO_SEQUENCE               = 4,
 524     KRB5_AUTH_CONTEXT_RET_SEQUENCE              = 8,
 525     KRB5_AUTH_CONTEXT_PERMIT_ALL                = 16,
 526     KRB5_AUTH_CONTEXT_USE_SUBKEY                = 32,
 527     KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED      = 64
 528 };
 529
 530 /* flags for krb5_auth_con_genaddrs */
 531 enum {
 532     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
 533     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
 534     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
 535     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
 536 };
 537
 538 typedef struct krb5_auth_context_data {
 539     unsigned int flags;
 540
 541     krb5_address *local_address;
 542     krb5_address *remote_address;
 543     int16_t local_port;
 544     int16_t remote_port;
 545     krb5_keyblock *keyblock;
 546     krb5_keyblock *local_subkey;
 547     krb5_keyblock *remote_subkey;
 548
 549     uint32_t local_seqnumber;
 550     uint32_t remote_seqnumber;
 551
 552     krb5_authenticator authenticator;
 553
 554     krb5_pointer i_vector;
 555
 556     krb5_rcache rcache;
 557
 558     krb5_keytype keytype;       /* ¿requested key type ? */
 559     krb5_cksumtype cksumtype;   /* ¡requested checksum type! */
 560
 561 }krb5_auth_context_data, *krb5_auth_context;
 562
 563 typedef struct {
 564     KDC_REP kdc_rep;
 565     EncKDCRepPart enc_part;
 566     KRB_ERROR error;
 567 } krb5_kdc_rep;
 568
 569 extern const char *heimdal_version, *heimdal_long_version;
 570
 571 typedef void (*krb5_log_log_func_t)(const char*, const char*, void*);
 572 typedef void (*krb5_log_close_func_t)(void*);
 573
 574 typedef struct krb5_log_facility {
 575     char *program;
 576     int len;
 577     struct facility *val;
 578 } krb5_log_facility;
 579
 580 typedef EncAPRepPart krb5_ap_rep_enc_part;
 581
 582 #define KRB5_RECVAUTH_IGNORE_VERSION 1
 583
 584 #define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"
 585
 586 #define KRB5_TGS_NAME_SIZE (6)
 587 #define KRB5_TGS_NAME ("krbtgt")
 588
 589 #define KRB5_DIGEST_NAME ("digest")
 590
 591 /* variables */
 592
 593 extern const char *krb5_config_file;
 594 extern const char *krb5_defkeyname;
 595
 596 typedef enum {
 597     KRB5_PROMPT_TYPE_PASSWORD           = 0x1,
 598     KRB5_PROMPT_TYPE_NEW_PASSWORD       = 0x2,
 599     KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
 600     KRB5_PROMPT_TYPE_PREAUTH            = 0x4,
 601     KRB5_PROMPT_TYPE_INFO               = 0x5
 602 } krb5_prompt_type;
 603
 604 typedef struct _krb5_prompt {
 605     const char *prompt;
 606     int hidden;
 607     krb5_data *reply;
 608     krb5_prompt_type type;
 609 } krb5_prompt;
 610
 611 typedef int (*krb5_prompter_fct)(krb5_context /*context*/,
 612                                  void * /*data*/,
 613                                  const char * /*name*/,
 614                                  const char * /*banner*/,
 615                                  int /*num_prompts*/,
 616                                  krb5_prompt /*prompts*/[]);
 617 typedef krb5_error_code (*krb5_key_proc)(krb5_context /*context*/,
 618                                          krb5_enctype /*type*/,
 619                                          krb5_salt /*salt*/,
 620                                          krb5_const_pointer /*keyseed*/,
 621                                          krb5_keyblock ** /*key*/);
 622 typedef krb5_error_code (*krb5_decrypt_proc)(krb5_context /*context*/,
 623                                              krb5_keyblock * /*key*/,
 624                                              krb5_key_usage /*usage*/,
 625                                              krb5_const_pointer /*decrypt_arg*/,
 626                                              krb5_kdc_rep * /*dec_rep*/);
 627 typedef krb5_error_code (*krb5_s2k_proc)(krb5_context /*context*/,
 628                                          krb5_enctype /*type*/,
 629                                          krb5_const_pointer /*keyseed*/,
 630                                          krb5_salt /*salt*/,
 631                                          krb5_data * /*s2kparms*/,
 632                                          krb5_keyblock ** /*key*/);
 633
 634 struct _krb5_get_init_creds_opt_private;
 635
 636 typedef struct _krb5_get_init_creds_opt {
 637     krb5_flags flags;
 638     krb5_deltat tkt_life;
 639     krb5_deltat renew_life;
 640     int forwardable;
 641     int proxiable;
 642     int anonymous;
 643     krb5_enctype *etype_list;
 644     int etype_list_length;
 645     krb5_addresses *address_list;
 646     /* XXX the next three should not be used, as they may be
 647        removed later */
 648     krb5_preauthtype *preauth_list;
 649     int preauth_list_length;
 650     krb5_data *salt;
 651     struct _krb5_get_init_creds_opt_private *opt_private;
 652 } krb5_get_init_creds_opt;
 653
 654 #define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE        0x0001
 655 #define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE      0x0002
 656 #define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE     0x0004
 657 #define KRB5_GET_INIT_CREDS_OPT_PROXIABLE       0x0008
 658 #define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST      0x0010
 659 #define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST    0x0020
 660 #define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST    0x0040
 661 #define KRB5_GET_INIT_CREDS_OPT_SALT            0x0080
 662 #define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS       0x0100
 663 #define KRB5_GET_INIT_CREDS_OPT_DISABLE_TRANSITED_CHECK 0x0200
 664
 665 typedef struct _krb5_verify_init_creds_opt {
 666     krb5_flags flags;
 667     int ap_req_nofail;
 668 } krb5_verify_init_creds_opt;
 669
 670 #define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL        0x0001
 671
 672 typedef struct krb5_verify_opt {
 673     unsigned int flags;
 674     krb5_ccache ccache;
 675     krb5_keytab keytab;
 676     krb5_boolean secure;
 677     const char *service;
 678 } krb5_verify_opt;
 679
 680 #define KRB5_VERIFY_LREALMS             1
 681 #define KRB5_VERIFY_NO_ADDRESSES        2
 682
 683 extern const krb5_cc_ops krb5_acc_ops;
 684 extern const krb5_cc_ops krb5_fcc_ops;
 685 extern const krb5_cc_ops krb5_mcc_ops;
 686 extern const krb5_cc_ops krb5_kcm_ops;
 687
 688 extern const krb5_kt_ops krb5_fkt_ops;
 689 extern const krb5_kt_ops krb5_wrfkt_ops;
 690 extern const krb5_kt_ops krb5_javakt_ops;
 691 extern const krb5_kt_ops krb5_mkt_ops;
 692 extern const krb5_kt_ops krb5_akf_ops;
 693 extern const krb5_kt_ops krb4_fkt_ops;
 694 extern const krb5_kt_ops krb5_srvtab_fkt_ops;
 695 extern const krb5_kt_ops krb5_any_ops;
 696
 697 #define KRB5_KPASSWD_VERS_CHANGEPW      1
 698 #define KRB5_KPASSWD_VERS_SETPW         0xff80
 699
 700 #define KRB5_KPASSWD_SUCCESS    0
 701 #define KRB5_KPASSWD_MALFORMED  1
 702 #define KRB5_KPASSWD_HARDERROR  2
 703 #define KRB5_KPASSWD_AUTHERROR  3
 704 #define KRB5_KPASSWD_SOFTERROR  4
 705 #define KRB5_KPASSWD_ACCESSDENIED 5
 706 #define KRB5_KPASSWD_BAD_VERSION 6
 707 #define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
 708
 709 #define KPASSWD_PORT 464
 710
 711 /* types for the new krbhst interface */
 712 struct krb5_krbhst_data;
 713 typedef struct krb5_krbhst_data *krb5_krbhst_handle;
 714
 715 #define KRB5_KRBHST_KDC         1
 716 #define KRB5_KRBHST_ADMIN       2
 717 #define KRB5_KRBHST_CHANGEPW    3
 718 #define KRB5_KRBHST_KRB524      4
 719
 720 typedef struct krb5_krbhst_info {
 721     enum { KRB5_KRBHST_UDP,
 722            KRB5_KRBHST_TCP,
 723            KRB5_KRBHST_HTTP } proto;
 724     unsigned short port;
 725     unsigned short def_port;
 726     struct addrinfo *ai;
 727     struct krb5_krbhst_info *next;
 728     char hostname[1]; /* has to come last */
 729 } krb5_krbhst_info;
 730
 731 /* flags for krb5_krbhst_init_flags (and krb5_send_to_kdc_flags) */
 732 enum {
 733     KRB5_KRBHST_FLAGS_MASTER      = 1,
 734     KRB5_KRBHST_FLAGS_LARGE_MSG   = 2
 735 };
 736
 737 typedef krb5_error_code (*krb5_send_to_kdc_func)(krb5_context,
 738                                                  void *,
 739                                                  krb5_krbhst_info *,
 740                                                  const krb5_data *,
 741                                                  krb5_data *);
 742
 743 /* flags for krb5_parse_name_flags */
 744 enum {
 745     KRB5_PRINCIPAL_PARSE_NO_REALM = 1,
 746     KRB5_PRINCIPAL_PARSE_MUST_REALM = 2
 747 };
 748
 749 /* flags for krb5_unparse_name_flags */
 750 enum {
 751     KRB5_PRINCIPAL_UNPARSE_SHORT = 1,
 752     KRB5_PRINCIPAL_UNPARSE_NO_REALM = 2
 753 };
 754
 755 struct credentials; /* this is to keep the compiler happy */
 756 struct getargs;
 757 struct sockaddr;
 758
 759 #include <krb5-protos.h>
 760
 761 #endif /* __KRB5_H__ */
 762