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 1.254 2006/11/07 00:17:42 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 typedef struct krb5_rd_req_in_ctx *krb5_rd_req_in_ctx;
  82 typedef struct krb5_rd_req_out_ctx *krb5_rd_req_out_ctx;
  83
  84 typedef CKSUMTYPE krb5_cksumtype;
  85
  86 typedef Checksum krb5_checksum;
  87
  88 typedef ENCTYPE krb5_enctype;
  89
  90 typedef heim_octet_string krb5_data;
  91
  92 /* PKINIT related forward declarations */
  93 struct ContentInfo;
  94 struct krb5_pk_identity;
  95 struct krb5_pk_cert;
  96
  97 /* krb5_enc_data is a mit compat structure */
  98 typedef struct krb5_enc_data {
  99     krb5_enctype enctype;
 100     krb5_kvno kvno;
 101     krb5_data ciphertext;
 102 } krb5_enc_data;
 103
 104 /* alternative names */
 105 enum {
 106     ENCTYPE_NULL                = ETYPE_NULL,
 107     ENCTYPE_DES_CBC_CRC         = ETYPE_DES_CBC_CRC,
 108     ENCTYPE_DES_CBC_MD4         = ETYPE_DES_CBC_MD4,
 109     ENCTYPE_DES_CBC_MD5         = ETYPE_DES_CBC_MD5,
 110     ENCTYPE_DES3_CBC_MD5        = ETYPE_DES3_CBC_MD5,
 111     ENCTYPE_OLD_DES3_CBC_SHA1   = ETYPE_OLD_DES3_CBC_SHA1,
 112     ENCTYPE_SIGN_DSA_GENERATE   = ETYPE_SIGN_DSA_GENERATE,
 113     ENCTYPE_ENCRYPT_RSA_PRIV    = ETYPE_ENCRYPT_RSA_PRIV,
 114     ENCTYPE_ENCRYPT_RSA_PUB     = ETYPE_ENCRYPT_RSA_PUB,
 115     ENCTYPE_DES3_CBC_SHA1       = ETYPE_DES3_CBC_SHA1,
 116     ENCTYPE_AES128_CTS_HMAC_SHA1_96 = ETYPE_AES128_CTS_HMAC_SHA1_96,
 117     ENCTYPE_AES256_CTS_HMAC_SHA1_96 = ETYPE_AES256_CTS_HMAC_SHA1_96,
 118     ENCTYPE_ARCFOUR_HMAC        = ETYPE_ARCFOUR_HMAC_MD5,
 119     ENCTYPE_ARCFOUR_HMAC_MD5    = ETYPE_ARCFOUR_HMAC_MD5,
 120     ENCTYPE_ARCFOUR_HMAC_MD5_56 = ETYPE_ARCFOUR_HMAC_MD5_56,
 121     ENCTYPE_ENCTYPE_PK_CROSS    = ETYPE_ENCTYPE_PK_CROSS,
 122     ENCTYPE_DES_CBC_NONE        = ETYPE_DES_CBC_NONE,
 123     ENCTYPE_DES3_CBC_NONE       = ETYPE_DES3_CBC_NONE,
 124     ENCTYPE_DES_CFB64_NONE      = ETYPE_DES_CFB64_NONE,
 125     ENCTYPE_DES_PCBC_NONE       = ETYPE_DES_PCBC_NONE
 126 };
 127
 128 typedef PADATA_TYPE krb5_preauthtype;
 129
 130 typedef enum krb5_key_usage {
 131     KRB5_KU_PA_ENC_TIMESTAMP = 1,
 132     /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
 133        client key (section 5.4.1) */
 134     KRB5_KU_TICKET = 2,
 135     /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
 136        application session key), encrypted with the service key
 137        (section 5.4.2) */
 138     KRB5_KU_AS_REP_ENC_PART = 3,
 139     /* AS-REP encrypted part (includes tgs session key or application
 140        session key), encrypted with the client key (section 5.4.2) */
 141     KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
 142     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 143        session key (section 5.4.1) */
 144     KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
 145     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 146           authenticator subkey (section 5.4.1) */
 147     KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
 148     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
 149        with the tgs session key (sections 5.3.2, 5.4.1) */
 150     KRB5_KU_TGS_REQ_AUTH = 7,
 151     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
 152        authenticator subkey), encrypted with the tgs session key
 153        (section 5.3.2) */
 154     KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
 155     /* TGS-REP encrypted part (includes application session key),
 156        encrypted with the tgs session key (section 5.4.2) */
 157     KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
 158     /* TGS-REP encrypted part (includes application session key),
 159        encrypted with the tgs authenticator subkey (section 5.4.2) */
 160     KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
 161     /* AP-REQ Authenticator cksum, keyed with the application session
 162        key (section 5.3.2) */
 163     KRB5_KU_AP_REQ_AUTH = 11,
 164     /* AP-REQ Authenticator (includes application authenticator
 165        subkey), encrypted with the application session key (section
 166        5.3.2) */
 167     KRB5_KU_AP_REQ_ENC_PART = 12,
 168     /* AP-REP encrypted part (includes application session subkey),
 169        encrypted with the application session key (section 5.5.2) */
 170     KRB5_KU_KRB_PRIV = 13,
 171     /* KRB-PRIV encrypted part, encrypted with a key chosen by the
 172        application (section 5.7.1) */
 173     KRB5_KU_KRB_CRED = 14,
 174     /* KRB-CRED encrypted part, encrypted with a key chosen by the
 175        application (section 5.8.1) */
 176     KRB5_KU_KRB_SAFE_CKSUM = 15,
 177     /* KRB-SAFE cksum, keyed with a key chosen by the application
 178        (section 5.6.1) */
 179     KRB5_KU_OTHER_ENCRYPTED = 16,
 180     /* Data which is defined in some specification outside of
 181        Kerberos to be encrypted using an RFC1510 encryption type. */
 182     KRB5_KU_OTHER_CKSUM = 17,
 183     /* Data which is defined in some specification outside of
 184        Kerberos to be checksummed using an RFC1510 checksum type. */
 185     KRB5_KU_KRB_ERROR = 18,
 186     /* Krb-error checksum */
 187     KRB5_KU_AD_KDC_ISSUED = 19,
 188     /* AD-KDCIssued checksum */
 189     KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
 190     /* Checksum for Mandatory Ticket Extensions */
 191     KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
 192     /* Checksum in Authorization Data in Ticket Extensions */
 193     KRB5_KU_USAGE_SEAL = 22,
 194     /* seal in GSSAPI krb5 mechanism */
 195     KRB5_KU_USAGE_SIGN = 23,
 196     /* sign in GSSAPI krb5 mechanism */
 197     KRB5_KU_USAGE_SEQ = 24,
 198     /* SEQ in GSSAPI krb5 mechanism */
 199     KRB5_KU_USAGE_ACCEPTOR_SEAL = 22,
 200     /* acceptor sign in GSSAPI CFX krb5 mechanism */
 201     KRB5_KU_USAGE_ACCEPTOR_SIGN = 23,
 202     /* acceptor seal in GSSAPI CFX krb5 mechanism */
 203     KRB5_KU_USAGE_INITIATOR_SEAL = 24,
 204     /* initiator sign in GSSAPI CFX krb5 mechanism */
 205     KRB5_KU_USAGE_INITIATOR_SIGN = 25,
 206     /* initiator seal in GSSAPI CFX krb5 mechanism */
 207     KRB5_KU_PA_SERVER_REFERRAL_DATA = 22,
 208     /* encrypted server referral data */
 209     KRB5_KU_SAM_CHECKSUM = 25,
 210     /* Checksum for the SAM-CHECKSUM field */
 211     KRB5_KU_SAM_ENC_TRACK_ID = 26,
 212     /* Encryption of the SAM-TRACK-ID field */
 213     KRB5_KU_PA_SERVER_REFERRAL = 26,
 214     /* Keyusage for the server referral in a TGS req */
 215     KRB5_KU_SAM_ENC_NONCE_SAD = 27,
 216     /* Encryption of the SAM-NONCE-OR-SAD field */
 217     KRB5_KU_TGS_IMPERSONATE = -17,
 218     /* Checksum type used in the impersonate field */
 219     KRB5_KU_DIGEST_ENCRYPT = -18,
 220     /* Encryption key usage used in the digest encryption field */
 221     KRB5_KU_DIGEST_OPAQUE = -19,
 222     /* Checksum key usage used in the digest opaque field */
 223     KRB5_KU_KRB5SIGNEDPATH = -21
 224     /* Checksum key usage on KRB5SignedPath */
 225 } krb5_key_usage;
 226
 227 typedef krb5_key_usage krb5_keyusage;
 228
 229 typedef enum krb5_salttype {
 230     KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
 231     KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
 232 }krb5_salttype;
 233
 234 typedef struct krb5_salt {
 235     krb5_salttype salttype;
 236     krb5_data saltvalue;
 237 } krb5_salt;
 238
 239 typedef ETYPE_INFO krb5_preauthinfo;
 240
 241 typedef struct {
 242     krb5_preauthtype type;
 243     krb5_preauthinfo info; /* list of preauthinfo for this type */
 244 } krb5_preauthdata_entry;
 245
 246 typedef struct krb5_preauthdata {
 247     unsigned len;
 248     krb5_preauthdata_entry *val;
 249 }krb5_preauthdata;
 250
 251 typedef enum krb5_address_type {
 252     KRB5_ADDRESS_INET     =   2,
 253     KRB5_ADDRESS_NETBIOS  =  20,
 254     KRB5_ADDRESS_INET6    =  24,
 255     KRB5_ADDRESS_ADDRPORT = 256,
 256     KRB5_ADDRESS_IPPORT   = 257
 257 } krb5_address_type;
 258
 259 enum {
 260   AP_OPTS_USE_SESSION_KEY = 1,
 261   AP_OPTS_MUTUAL_REQUIRED = 2,
 262   AP_OPTS_USE_SUBKEY = 4                /* library internal */
 263 };
 264
 265 typedef HostAddress krb5_address;
 266
 267 typedef HostAddresses krb5_addresses;
 268
 269 typedef enum krb5_keytype {
 270     KEYTYPE_NULL        = 0,
 271     KEYTYPE_DES         = 1,
 272     KEYTYPE_DES3        = 7,
 273     KEYTYPE_AES128      = 17,
 274     KEYTYPE_AES256      = 18,
 275     KEYTYPE_ARCFOUR     = 23,
 276     KEYTYPE_ARCFOUR_56  = 24
 277 } krb5_keytype;
 278
 279 typedef EncryptionKey krb5_keyblock;
 280
 281 typedef AP_REQ krb5_ap_req;
 282
 283 struct krb5_cc_ops;
 284
 285 #define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"
 286
 287 #define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT
 288
 289 #define KRB5_ACCEPT_NULL_ADDRESSES(C)                                    \
 290     krb5_config_get_bool_default((C), NULL, TRUE,                        \
 291                                  "libdefaults", "accept_null_addresses", \
 292                                  NULL)
 293
 294 typedef void *krb5_cc_cursor;
 295
 296 typedef struct krb5_ccache_data {
 297     const struct krb5_cc_ops *ops;
 298     krb5_data data;
 299 }krb5_ccache_data;
 300
 301 typedef struct krb5_ccache_data *krb5_ccache;
 302
 303 typedef struct krb5_context_data *krb5_context;
 304
 305 typedef Realm krb5_realm;
 306 typedef const char *krb5_const_realm; /* stupid language */
 307
 308 #define krb5_realm_length(r) strlen(r)
 309 #define krb5_realm_data(r) (r)
 310
 311 typedef Principal krb5_principal_data;
 312 typedef struct Principal *krb5_principal;
 313 typedef const struct Principal *krb5_const_principal;
 314
 315 typedef time_t krb5_deltat;
 316 typedef time_t krb5_timestamp;
 317
 318 typedef struct krb5_times {
 319   krb5_timestamp authtime;
 320   krb5_timestamp starttime;
 321   krb5_timestamp endtime;
 322   krb5_timestamp renew_till;
 323 } krb5_times;
 324
 325 typedef union {
 326     TicketFlags b;
 327     krb5_flags i;
 328 } krb5_ticket_flags;
 329
 330 /* options for krb5_get_in_tkt() */
 331 #define KDC_OPT_FORWARDABLE             (1 << 1)
 332 #define KDC_OPT_FORWARDED               (1 << 2)
 333 #define KDC_OPT_PROXIABLE               (1 << 3)
 334 #define KDC_OPT_PROXY                   (1 << 4)
 335 #define KDC_OPT_ALLOW_POSTDATE          (1 << 5)
 336 #define KDC_OPT_POSTDATED               (1 << 6)
 337 #define KDC_OPT_RENEWABLE               (1 << 8)
 338 #define KDC_OPT_REQUEST_ANONYMOUS       (1 << 14)
 339 #define KDC_OPT_DISABLE_TRANSITED_CHECK (1 << 26)
 340 #define KDC_OPT_RENEWABLE_OK            (1 << 27)
 341 #define KDC_OPT_ENC_TKT_IN_SKEY         (1 << 28)
 342 #define KDC_OPT_RENEW                   (1 << 30)
 343 #define KDC_OPT_VALIDATE                (1 << 31)
 344
 345 typedef union {
 346     KDCOptions b;
 347     krb5_flags i;
 348 } krb5_kdc_flags;
 349
 350 /* flags for krb5_verify_ap_req */
 351
 352 #define KRB5_VERIFY_AP_REQ_IGNORE_INVALID       (1 << 0)
 353
 354 #define KRB5_GC_CACHED                  (1U << 0)
 355 #define KRB5_GC_USER_USER               (1U << 1)
 356 #define KRB5_GC_EXPIRED_OK              (1U << 2)
 357 #define KRB5_GC_NO_STORE                (1U << 3)
 358 #define KRB5_GC_FORWARDABLE             (1U << 4)
 359 #define KRB5_GC_NO_TRANSIT_CHECK        (1U << 5)
 360
 361 /* constants for compare_creds (and cc_retrieve_cred) */
 362 #define KRB5_TC_DONT_MATCH_REALM        (1U << 31)
 363 #define KRB5_TC_MATCH_KEYTYPE           (1U << 30)
 364 #define KRB5_TC_MATCH_KTYPE             KRB5_TC_MATCH_KEYTYPE    /* MIT name */
 365 #define KRB5_TC_MATCH_SRV_NAMEONLY      (1 << 29)
 366 #define KRB5_TC_MATCH_FLAGS_EXACT       (1 << 28)
 367 #define KRB5_TC_MATCH_FLAGS             (1 << 27)
 368 #define KRB5_TC_MATCH_TIMES_EXACT       (1 << 26)
 369 #define KRB5_TC_MATCH_TIMES             (1 << 25)
 370 #define KRB5_TC_MATCH_AUTHDATA          (1 << 24)
 371 #define KRB5_TC_MATCH_2ND_TKT           (1 << 23)
 372 #define KRB5_TC_MATCH_IS_SKEY           (1 << 22)
 373
 374 typedef AuthorizationData krb5_authdata;
 375
 376 typedef KRB_ERROR krb5_error;
 377
 378 typedef struct krb5_creds {
 379     krb5_principal client;
 380     krb5_principal server;
 381     krb5_keyblock session;
 382     krb5_times times;
 383     krb5_data ticket;
 384     krb5_data second_ticket;
 385     krb5_authdata authdata;
 386     krb5_addresses addresses;
 387     krb5_ticket_flags flags;
 388 } krb5_creds;
 389
 390 typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;
 391
 392 typedef struct krb5_cc_ops {
 393     const char *prefix;
 394     const char* (*get_name)(krb5_context, krb5_ccache);
 395     krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);
 396     krb5_error_code (*gen_new)(krb5_context, krb5_ccache *);
 397     krb5_error_code (*init)(krb5_context, krb5_ccache, krb5_principal);
 398     krb5_error_code (*destroy)(krb5_context, krb5_ccache);
 399     krb5_error_code (*close)(krb5_context, krb5_ccache);
 400     krb5_error_code (*store)(krb5_context, krb5_ccache, krb5_creds*);
 401     krb5_error_code (*retrieve)(krb5_context, krb5_ccache,
 402                                 krb5_flags, const krb5_creds*, krb5_creds *);
 403     krb5_error_code (*get_princ)(krb5_context, krb5_ccache, krb5_principal*);
 404     krb5_error_code (*get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
 405     krb5_error_code (*get_next)(krb5_context, krb5_ccache,
 406                                 krb5_cc_cursor*, krb5_creds*);
 407     krb5_error_code (*end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
 408     krb5_error_code (*remove_cred)(krb5_context, krb5_ccache,
 409                                    krb5_flags, krb5_creds*);
 410     krb5_error_code (*set_flags)(krb5_context, krb5_ccache, krb5_flags);
 411     int (*get_version)(krb5_context, krb5_ccache);
 412     krb5_error_code (*get_cache_first)(krb5_context, krb5_cc_cursor *);
 413     krb5_error_code (*get_cache_next)(krb5_context, krb5_cc_cursor, krb5_ccache *);
 414     krb5_error_code (*end_cache_get)(krb5_context, krb5_cc_cursor);
 415 } krb5_cc_ops;
 416
 417 struct krb5_log_facility;
 418
 419 struct krb5_config_binding {
 420     enum { krb5_config_string, krb5_config_list } type;
 421     char *name;
 422     struct krb5_config_binding *next;
 423     union {
 424         char *string;
 425         struct krb5_config_binding *list;
 426         void *generic;
 427     } u;
 428 };
 429
 430 typedef struct krb5_config_binding krb5_config_binding;
 431
 432 typedef krb5_config_binding krb5_config_section;
 433
 434 enum {
 435     KRB5_PKINIT_WIN2K           = 1,    /* wire compatible with Windows 2k */
 436     KRB5_PKINIT_PACKET_CABLE    = 2     /* use packet cable standard */
 437 };
 438
 439 typedef struct krb5_ticket {
 440     EncTicketPart ticket;
 441     krb5_principal client;
 442     krb5_principal server;
 443 } krb5_ticket;
 444
 445 typedef Authenticator krb5_authenticator_data;
 446
 447 typedef krb5_authenticator_data *krb5_authenticator;
 448
 449 struct krb5_rcache_data;
 450 typedef struct krb5_rcache_data *krb5_rcache;
 451 typedef Authenticator krb5_donot_replay;
 452
 453 #define KRB5_STORAGE_HOST_BYTEORDER                     0x01 /* old */
 454 #define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS     0x02
 455 #define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE             0x04
 456 #define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE             0x08
 457 #define KRB5_STORAGE_BYTEORDER_MASK                     0x60
 458 #define KRB5_STORAGE_BYTEORDER_BE                       0x00 /* default */
 459 #define KRB5_STORAGE_BYTEORDER_LE                       0x20
 460 #define KRB5_STORAGE_BYTEORDER_HOST                     0x40
 461 #define KRB5_STORAGE_CREDS_FLAGS_WRONG_BITORDER         0x80
 462
 463 struct krb5_storage_data;
 464 typedef struct krb5_storage_data krb5_storage;
 465
 466 typedef struct krb5_keytab_entry {
 467     krb5_principal principal;
 468     krb5_kvno vno;
 469     krb5_keyblock keyblock;
 470     uint32_t timestamp;
 471 } krb5_keytab_entry;
 472
 473 typedef struct krb5_kt_cursor {
 474     int fd;
 475     krb5_storage *sp;
 476     void *data;
 477 } krb5_kt_cursor;
 478
 479 struct krb5_keytab_data;
 480
 481 typedef struct krb5_keytab_data *krb5_keytab;
 482
 483 #define KRB5_KT_PREFIX_MAX_LEN  30
 484
 485 struct krb5_keytab_data {
 486     const char *prefix;
 487     krb5_error_code (*resolve)(krb5_context, const char*, krb5_keytab);
 488     krb5_error_code (*get_name)(krb5_context, krb5_keytab, char*, size_t);
 489     krb5_error_code (*close)(krb5_context, krb5_keytab);
 490     krb5_error_code (*get)(krb5_context, krb5_keytab, krb5_const_principal,
 491                            krb5_kvno, krb5_enctype, krb5_keytab_entry*);
 492     krb5_error_code (*start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 493     krb5_error_code (*next_entry)(krb5_context, krb5_keytab,
 494                                   krb5_keytab_entry*, krb5_kt_cursor*);
 495     krb5_error_code (*end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 496     krb5_error_code (*add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 497     krb5_error_code (*remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 498     void *data;
 499     int32_t version;
 500 };
 501
 502 typedef struct krb5_keytab_data krb5_kt_ops;
 503
 504 struct krb5_keytab_key_proc_args {
 505     krb5_keytab keytab;
 506     krb5_principal principal;
 507 };
 508
 509 typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;
 510
 511 typedef struct krb5_replay_data {
 512     krb5_timestamp timestamp;
 513     int32_t usec;
 514     uint32_t seq;
 515 } krb5_replay_data;
 516
 517 /* flags for krb5_auth_con_setflags */
 518 enum {
 519     KRB5_AUTH_CONTEXT_DO_TIME                   = 1,
 520     KRB5_AUTH_CONTEXT_RET_TIME                  = 2,
 521     KRB5_AUTH_CONTEXT_DO_SEQUENCE               = 4,
 522     KRB5_AUTH_CONTEXT_RET_SEQUENCE              = 8,
 523     KRB5_AUTH_CONTEXT_PERMIT_ALL                = 16,
 524     KRB5_AUTH_CONTEXT_USE_SUBKEY                = 32,
 525     KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED      = 64
 526 };
 527
 528 /* flags for krb5_auth_con_genaddrs */
 529 enum {
 530     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
 531     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
 532     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
 533     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
 534 };
 535
 536 typedef struct krb5_auth_context_data {
 537     unsigned int flags;
 538
 539     krb5_address *local_address;
 540     krb5_address *remote_address;
 541     int16_t local_port;
 542     int16_t remote_port;
 543     krb5_keyblock *keyblock;
 544     krb5_keyblock *local_subkey;
 545     krb5_keyblock *remote_subkey;
 546
 547     uint32_t local_seqnumber;
 548     uint32_t remote_seqnumber;
 549
 550     krb5_authenticator authenticator;
 551
 552     krb5_pointer i_vector;
 553
 554     krb5_rcache rcache;
 555
 556     krb5_keytype keytype;       /* ¿requested key type ? */
 557     krb5_cksumtype cksumtype;   /* ¡requested checksum type! */
 558
 559 }krb5_auth_context_data, *krb5_auth_context;
 560
 561 typedef struct {
 562     KDC_REP kdc_rep;
 563     EncKDCRepPart enc_part;
 564     KRB_ERROR error;
 565 } krb5_kdc_rep;
 566
 567 extern const char *heimdal_version, *heimdal_long_version;
 568
 569 typedef void (*krb5_log_log_func_t)(const char*, const char*, void*);
 570 typedef void (*krb5_log_close_func_t)(void*);
 571
 572 typedef struct krb5_log_facility {
 573     char *program;
 574     int len;
 575     struct facility *val;
 576 } krb5_log_facility;
 577
 578 typedef EncAPRepPart krb5_ap_rep_enc_part;
 579
 580 #define KRB5_RECVAUTH_IGNORE_VERSION 1
 581
 582 #define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"
 583
 584 #define KRB5_TGS_NAME_SIZE (6)
 585 #define KRB5_TGS_NAME ("krbtgt")
 586
 587 #define KRB5_DIGEST_NAME ("digest")
 588
 589 /* variables */
 590
 591 extern const char *krb5_config_file;
 592 extern const char *krb5_defkeyname;
 593
 594 typedef enum {
 595     KRB5_PROMPT_TYPE_PASSWORD           = 0x1,
 596     KRB5_PROMPT_TYPE_NEW_PASSWORD       = 0x2,
 597     KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
 598     KRB5_PROMPT_TYPE_PREAUTH            = 0x4,
 599     KRB5_PROMPT_TYPE_INFO               = 0x5
 600 } krb5_prompt_type;
 601
 602 typedef struct _krb5_prompt {
 603     const char *prompt;
 604     int hidden;
 605     krb5_data *reply;
 606     krb5_prompt_type type;
 607 } krb5_prompt;
 608
 609 typedef int (*krb5_prompter_fct)(krb5_context /*context*/,
 610                                  void * /*data*/,
 611                                  const char * /*name*/,
 612                                  const char * /*banner*/,
 613                                  int /*num_prompts*/,
 614                                  krb5_prompt /*prompts*/[]);
 615 typedef krb5_error_code (*krb5_key_proc)(krb5_context /*context*/,
 616                                          krb5_enctype /*type*/,
 617                                          krb5_salt /*salt*/,
 618                                          krb5_const_pointer /*keyseed*/,
 619                                          krb5_keyblock ** /*key*/);
 620 typedef krb5_error_code (*krb5_decrypt_proc)(krb5_context /*context*/,
 621                                              krb5_keyblock * /*key*/,
 622                                              krb5_key_usage /*usage*/,
 623                                              krb5_const_pointer /*decrypt_arg*/,
 624                                              krb5_kdc_rep * /*dec_rep*/);
 625 typedef krb5_error_code (*krb5_s2k_proc)(krb5_context /*context*/,
 626                                          krb5_enctype /*type*/,
 627                                          krb5_const_pointer /*keyseed*/,
 628                                          krb5_salt /*salt*/,
 629                                          krb5_data * /*s2kparms*/,
 630                                          krb5_keyblock ** /*key*/);
 631
 632 struct _krb5_get_init_creds_opt_private;
 633
 634 typedef struct _krb5_get_init_creds_opt {
 635     krb5_flags flags;
 636     krb5_deltat tkt_life;
 637     krb5_deltat renew_life;
 638     int forwardable;
 639     int proxiable;
 640     int anonymous;
 641     krb5_enctype *etype_list;
 642     int etype_list_length;
 643     krb5_addresses *address_list;
 644     /* XXX the next three should not be used, as they may be
 645        removed later */
 646     krb5_preauthtype *preauth_list;
 647     int preauth_list_length;
 648     krb5_data *salt;
 649     struct _krb5_get_init_creds_opt_private *opt_private;
 650 } krb5_get_init_creds_opt;
 651
 652 #define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE        0x0001
 653 #define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE      0x0002
 654 #define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE     0x0004
 655 #define KRB5_GET_INIT_CREDS_OPT_PROXIABLE       0x0008
 656 #define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST      0x0010
 657 #define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST    0x0020
 658 #define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST    0x0040
 659 #define KRB5_GET_INIT_CREDS_OPT_SALT            0x0080
 660 #define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS       0x0100
 661 #define KRB5_GET_INIT_CREDS_OPT_DISABLE_TRANSITED_CHECK 0x0200
 662
 663 typedef struct _krb5_verify_init_creds_opt {
 664     krb5_flags flags;
 665     int ap_req_nofail;
 666 } krb5_verify_init_creds_opt;
 667
 668 #define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL        0x0001
 669
 670 typedef struct krb5_verify_opt {
 671     unsigned int flags;
 672     krb5_ccache ccache;
 673     krb5_keytab keytab;
 674     krb5_boolean secure;
 675     const char *service;
 676 } krb5_verify_opt;
 677
 678 #define KRB5_VERIFY_LREALMS             1
 679 #define KRB5_VERIFY_NO_ADDRESSES        2
 680
 681 extern const krb5_cc_ops krb5_acc_ops;
 682 extern const krb5_cc_ops krb5_fcc_ops;
 683 extern const krb5_cc_ops krb5_mcc_ops;
 684 extern const krb5_cc_ops krb5_kcm_ops;
 685
 686 extern const krb5_kt_ops krb5_fkt_ops;
 687 extern const krb5_kt_ops krb5_wrfkt_ops;
 688 extern const krb5_kt_ops krb5_javakt_ops;
 689 extern const krb5_kt_ops krb5_mkt_ops;
 690 extern const krb5_kt_ops krb5_akf_ops;
 691 extern const krb5_kt_ops krb4_fkt_ops;
 692 extern const krb5_kt_ops krb5_srvtab_fkt_ops;
 693 extern const krb5_kt_ops krb5_any_ops;
 694
 695 #define KRB5_KPASSWD_VERS_CHANGEPW      1
 696 #define KRB5_KPASSWD_VERS_SETPW         0xff80
 697
 698 #define KRB5_KPASSWD_SUCCESS    0
 699 #define KRB5_KPASSWD_MALFORMED  1
 700 #define KRB5_KPASSWD_HARDERROR  2
 701 #define KRB5_KPASSWD_AUTHERROR  3
 702 #define KRB5_KPASSWD_SOFTERROR  4
 703 #define KRB5_KPASSWD_ACCESSDENIED 5
 704 #define KRB5_KPASSWD_BAD_VERSION 6
 705 #define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
 706
 707 #define KPASSWD_PORT 464
 708
 709 /* types for the new krbhst interface */
 710 struct krb5_krbhst_data;
 711 typedef struct krb5_krbhst_data *krb5_krbhst_handle;
 712
 713 #define KRB5_KRBHST_KDC         1
 714 #define KRB5_KRBHST_ADMIN       2
 715 #define KRB5_KRBHST_CHANGEPW    3
 716 #define KRB5_KRBHST_KRB524      4
 717
 718 typedef struct krb5_krbhst_info {
 719     enum { KRB5_KRBHST_UDP,
 720            KRB5_KRBHST_TCP,
 721            KRB5_KRBHST_HTTP } proto;
 722     unsigned short port;
 723     unsigned short def_port;
 724     struct addrinfo *ai;
 725     struct krb5_krbhst_info *next;
 726     char hostname[1]; /* has to come last */
 727 } krb5_krbhst_info;
 728
 729 /* flags for krb5_krbhst_init_flags (and krb5_send_to_kdc_flags) */
 730 enum {
 731     KRB5_KRBHST_FLAGS_MASTER      = 1,
 732     KRB5_KRBHST_FLAGS_LARGE_MSG   = 2
 733 };
 734
 735 typedef krb5_error_code (*krb5_send_to_kdc_func)(krb5_context,
 736                                                  void *,
 737                                                  krb5_krbhst_info *,
 738                                                  const krb5_data *,
 739                                                  krb5_data *);
 740
 741 /* flags for krb5_parse_name_flags */
 742 enum {
 743     KRB5_PRINCIPAL_PARSE_NO_REALM = 1,
 744     KRB5_PRINCIPAL_PARSE_MUST_REALM = 2
 745 };
 746
 747 /* flags for krb5_unparse_name_flags */
 748 enum {
 749     KRB5_PRINCIPAL_UNPARSE_SHORT = 1,
 750     KRB5_PRINCIPAL_UNPARSE_NO_REALM = 2
 751 };
 752
 753 struct credentials; /* this is to keep the compiler happy */
 754 struct getargs;
 755 struct sockaddr;
 756
 757 #include <krb5-protos.h>
 758
 759 #endif /* __KRB5_H__ */
 760