lib/krb5/krb5.h

   1 /*
   2  * Copyright (c) 1997 - 2004 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 /* $Id$ */
  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 u_int32_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 typedef CKSUMTYPE krb5_cksumtype;
  76
  77 typedef Checksum krb5_checksum;
  78
  79 typedef ENCTYPE krb5_enctype;
  80
  81 typedef heim_octet_string krb5_data;
  82
  83 /* PKINIT related forward declarations */
  84 struct ContentInfo;
  85 struct krb5_pk_identity;
  86 struct krb5_pk_cert;
  87
  88 /* krb5_enc_data is a mit compat structure */
  89 typedef struct krb5_enc_data {
  90     krb5_enctype enctype;
  91     krb5_kvno kvno;
  92     krb5_data ciphertext;
  93 } krb5_enc_data;
  94
  95 /* alternative names */
  96 enum {
  97     ENCTYPE_NULL                = ETYPE_NULL,
  98     ENCTYPE_DES_CBC_CRC         = ETYPE_DES_CBC_CRC,
  99     ENCTYPE_DES_CBC_MD4         = ETYPE_DES_CBC_MD4,
 100     ENCTYPE_DES_CBC_MD5         = ETYPE_DES_CBC_MD5,
 101     ENCTYPE_DES3_CBC_MD5        = ETYPE_DES3_CBC_MD5,
 102     ENCTYPE_OLD_DES3_CBC_SHA1   = ETYPE_OLD_DES3_CBC_SHA1,
 103     ENCTYPE_SIGN_DSA_GENERATE   = ETYPE_SIGN_DSA_GENERATE,
 104     ENCTYPE_ENCRYPT_RSA_PRIV    = ETYPE_ENCRYPT_RSA_PRIV,
 105     ENCTYPE_ENCRYPT_RSA_PUB     = ETYPE_ENCRYPT_RSA_PUB,
 106     ENCTYPE_DES3_CBC_SHA1       = ETYPE_DES3_CBC_SHA1,
 107     ENCTYPE_AES128_CTS_HMAC_SHA1_96 = ETYPE_AES128_CTS_HMAC_SHA1_96,
 108     ENCTYPE_AES256_CTS_HMAC_SHA1_96 = ETYPE_AES256_CTS_HMAC_SHA1_96,
 109     ENCTYPE_ARCFOUR_HMAC        = ETYPE_ARCFOUR_HMAC_MD5,
 110     ENCTYPE_ARCFOUR_HMAC_MD5    = ETYPE_ARCFOUR_HMAC_MD5,
 111     ENCTYPE_ARCFOUR_HMAC_MD5_56 = ETYPE_ARCFOUR_HMAC_MD5_56,
 112     ENCTYPE_ENCTYPE_PK_CROSS    = ETYPE_ENCTYPE_PK_CROSS,
 113     ENCTYPE_DES_CBC_NONE        = ETYPE_DES_CBC_NONE,
 114     ENCTYPE_DES3_CBC_NONE       = ETYPE_DES3_CBC_NONE,
 115     ENCTYPE_DES_CFB64_NONE      = ETYPE_DES_CFB64_NONE,
 116     ENCTYPE_DES_PCBC_NONE       = ETYPE_DES_PCBC_NONE
 117 };
 118
 119 typedef PADATA_TYPE krb5_preauthtype;
 120
 121 typedef enum krb5_key_usage {
 122     KRB5_KU_PA_ENC_TIMESTAMP = 1,
 123     /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
 124        client key (section 5.4.1) */
 125     KRB5_KU_TICKET = 2,
 126     /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
 127        application session key), encrypted with the service key
 128        (section 5.4.2) */
 129     KRB5_KU_AS_REP_ENC_PART = 3,
 130     /* AS-REP encrypted part (includes tgs session key or application
 131        session key), encrypted with the client key (section 5.4.2) */
 132     KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
 133     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 134        session key (section 5.4.1) */
 135     KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
 136     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 137           authenticator subkey (section 5.4.1) */
 138     KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
 139     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
 140        with the tgs session key (sections 5.3.2, 5.4.1) */
 141     KRB5_KU_TGS_REQ_AUTH = 7,
 142     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
 143        authenticator subkey), encrypted with the tgs session key
 144        (section 5.3.2) */
 145     KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
 146     /* TGS-REP encrypted part (includes application session key),
 147        encrypted with the tgs session key (section 5.4.2) */
 148     KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
 149     /* TGS-REP encrypted part (includes application session key),
 150        encrypted with the tgs authenticator subkey (section 5.4.2) */
 151     KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
 152     /* AP-REQ Authenticator cksum, keyed with the application session
 153        key (section 5.3.2) */
 154     KRB5_KU_AP_REQ_AUTH = 11,
 155     /* AP-REQ Authenticator (includes application authenticator
 156        subkey), encrypted with the application session key (section
 157        5.3.2) */
 158     KRB5_KU_AP_REQ_ENC_PART = 12,
 159     /* AP-REP encrypted part (includes application session subkey),
 160        encrypted with the application session key (section 5.5.2) */
 161     KRB5_KU_KRB_PRIV = 13,
 162     /* KRB-PRIV encrypted part, encrypted with a key chosen by the
 163        application (section 5.7.1) */
 164     KRB5_KU_KRB_CRED = 14,
 165     /* KRB-CRED encrypted part, encrypted with a key chosen by the
 166        application (section 5.8.1) */
 167     KRB5_KU_KRB_SAFE_CKSUM = 15,
 168     /* KRB-SAFE cksum, keyed with a key chosen by the application
 169        (section 5.6.1) */
 170     KRB5_KU_OTHER_ENCRYPTED = 16,
 171     /* Data which is defined in some specification outside of
 172        Kerberos to be encrypted using an RFC1510 encryption type. */
 173     KRB5_KU_OTHER_CKSUM = 17,
 174     /* Data which is defined in some specification outside of
 175        Kerberos to be checksummed using an RFC1510 checksum type. */
 176     KRB5_KU_KRB_ERROR = 18,
 177     /* Krb-error checksum */
 178     KRB5_KU_AD_KDC_ISSUED = 19,
 179     /* AD-KDCIssued checksum */
 180     KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
 181     /* Checksum for Mandatory Ticket Extensions */
 182     KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
 183     /* Checksum in Authorization Data in Ticket Extensions */
 184     KRB5_KU_USAGE_SEAL = 22,
 185     /* seal in GSSAPI krb5 mechanism */
 186     KRB5_KU_USAGE_SIGN = 23,
 187     /* sign in GSSAPI krb5 mechanism */
 188     KRB5_KU_USAGE_SEQ = 24,
 189     /* SEQ in GSSAPI krb5 mechanism */
 190     KRB5_KU_USAGE_ACCEPTOR_SEAL = 22,
 191     /* acceptor sign in GSSAPI CFX krb5 mechanism */
 192     KRB5_KU_USAGE_ACCEPTOR_SIGN = 23,
 193     /* acceptor seal in GSSAPI CFX krb5 mechanism */
 194     KRB5_KU_USAGE_INITIATOR_SEAL = 24,
 195     /* initiator sign in GSSAPI CFX krb5 mechanism */
 196     KRB5_KU_USAGE_INITIATOR_SIGN = 25,
 197     /* initiator seal in GSSAPI CFX krb5 mechanism */
 198     KRB5_KU_PA_SERVER_REFERRAL_DATA = 22,
 199     /* encrypted server referral data */
 200     KRB5_KU_SAM_CHECKSUM = 25,
 201     /* Checksum for the SAM-CHECKSUM field */
 202     KRB5_KU_SAM_ENC_TRACK_ID = 26,
 203     /* Encryption of the SAM-TRACK-ID field */
 204     KRB5_KU_PA_SERVER_REFERRAL = 26,
 205     /* Keyusage for the server referral in a TGS req */
 206     KRB5_KU_SAM_ENC_NONCE_SAD = 27
 207     /* Encryption of the SAM-NONCE-OR-SAD field */
 208 } krb5_key_usage;
 209
 210 typedef krb5_key_usage krb5_keyusage;
 211
 212 typedef enum krb5_salttype {
 213     KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
 214     KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
 215 }krb5_salttype;
 216
 217 typedef struct krb5_salt {
 218     krb5_salttype salttype;
 219     krb5_data saltvalue;
 220 } krb5_salt;
 221
 222 typedef ETYPE_INFO krb5_preauthinfo;
 223
 224 typedef struct {
 225     krb5_preauthtype type;
 226     krb5_preauthinfo info; /* list of preauthinfo for this type */
 227 } krb5_preauthdata_entry;
 228
 229 typedef struct krb5_preauthdata {
 230     unsigned len;
 231     krb5_preauthdata_entry *val;
 232 }krb5_preauthdata;
 233
 234 typedef enum krb5_address_type {
 235     KRB5_ADDRESS_INET     =   2,
 236     KRB5_ADDRESS_INET6    =  24,
 237     KRB5_ADDRESS_ADDRPORT = 256,
 238     KRB5_ADDRESS_IPPORT   = 257
 239 } krb5_address_type;
 240
 241 enum {
 242   AP_OPTS_USE_SESSION_KEY = 1,
 243   AP_OPTS_MUTUAL_REQUIRED = 2,
 244   AP_OPTS_USE_SUBKEY = 4                /* library internal */
 245 };
 246
 247 typedef HostAddress krb5_address;
 248
 249 typedef HostAddresses krb5_addresses;
 250
 251 typedef enum krb5_keytype {
 252     KEYTYPE_NULL        = 0,
 253     KEYTYPE_DES         = 1,
 254     KEYTYPE_DES3        = 7,
 255     KEYTYPE_AES128      = 17,
 256     KEYTYPE_AES256      = 18,
 257     KEYTYPE_ARCFOUR     = 23,
 258     KEYTYPE_ARCFOUR_56  = 24,
 259     KEYTYPE_RC2         = -0x1005,
 260     KEYTYPE_AES192      = -0x1006
 261 } krb5_keytype;
 262
 263 typedef EncryptionKey krb5_keyblock;
 264
 265 typedef AP_REQ krb5_ap_req;
 266
 267 struct krb5_cc_ops;
 268
 269 #define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"
 270
 271 #define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT
 272
 273 #define KRB5_ACCEPT_NULL_ADDRESSES(C)                                    \
 274     krb5_config_get_bool_default((C), NULL, TRUE,                        \
 275                                  "libdefaults", "accept_null_addresses", \
 276                                  NULL)
 277
 278 typedef void *krb5_cc_cursor;
 279
 280 typedef struct krb5_ccache_data {
 281     const struct krb5_cc_ops *ops;
 282     krb5_data data;
 283 }krb5_ccache_data;
 284
 285 typedef struct krb5_ccache_data *krb5_ccache;
 286
 287 typedef struct krb5_context_data *krb5_context;
 288
 289 typedef Realm krb5_realm;
 290 typedef const char *krb5_const_realm; /* stupid language */
 291
 292 #define krb5_realm_length(r) strlen(r)
 293 #define krb5_realm_data(r) (r)
 294
 295 typedef Principal krb5_principal_data;
 296 typedef struct Principal *krb5_principal;
 297 typedef const struct Principal *krb5_const_principal;
 298
 299 typedef time_t krb5_deltat;
 300 typedef time_t krb5_timestamp;
 301
 302 typedef struct krb5_times {
 303   krb5_timestamp authtime;
 304   krb5_timestamp starttime;
 305   krb5_timestamp endtime;
 306   krb5_timestamp renew_till;
 307 } krb5_times;
 308
 309 typedef union {
 310     TicketFlags b;
 311     krb5_flags i;
 312 } krb5_ticket_flags;
 313
 314 /* options for krb5_get_in_tkt() */
 315 #define KDC_OPT_FORWARDABLE             (1 << 1)
 316 #define KDC_OPT_FORWARDED               (1 << 2)
 317 #define KDC_OPT_PROXIABLE               (1 << 3)
 318 #define KDC_OPT_PROXY                   (1 << 4)
 319 #define KDC_OPT_ALLOW_POSTDATE          (1 << 5)
 320 #define KDC_OPT_POSTDATED               (1 << 6)
 321 #define KDC_OPT_RENEWABLE               (1 << 8)
 322 #define KDC_OPT_REQUEST_ANONYMOUS       (1 << 14)
 323 #define KDC_OPT_DISABLE_TRANSITED_CHECK (1 << 26)
 324 #define KDC_OPT_RENEWABLE_OK            (1 << 27)
 325 #define KDC_OPT_ENC_TKT_IN_SKEY         (1 << 28)
 326 #define KDC_OPT_RENEW                   (1 << 30)
 327 #define KDC_OPT_VALIDATE                (1 << 31)
 328
 329 typedef union {
 330     KDCOptions b;
 331     krb5_flags i;
 332 } krb5_kdc_flags;
 333
 334 /* flags for krb5_verify_ap_req */
 335
 336 #define KRB5_VERIFY_AP_REQ_IGNORE_INVALID       (1 << 0)
 337
 338 #define KRB5_GC_CACHED                  (1U << 0)
 339 #define KRB5_GC_USER_USER               (1U << 1)
 340 #define KRB5_GC_EXPIRED_OK              (1U << 2)
 341
 342 /* constants for compare_creds (and cc_retrieve_cred) */
 343 #define KRB5_TC_DONT_MATCH_REALM        (1U << 31)
 344 #define KRB5_TC_MATCH_KEYTYPE           (1U << 30)
 345 #define KRB5_TC_MATCH_KTYPE             KRB5_TC_MATCH_KEYTYPE    /* MIT name */
 346 #define KRB5_TC_MATCH_SRV_NAMEONLY      (1 << 29)
 347 #define KRB5_TC_MATCH_FLAGS_EXACT       (1 << 28)
 348 #define KRB5_TC_MATCH_FLAGS             (1 << 27)
 349 #define KRB5_TC_MATCH_TIMES_EXACT       (1 << 26)
 350 #define KRB5_TC_MATCH_TIMES             (1 << 25)
 351 #define KRB5_TC_MATCH_AUTHDATA          (1 << 24)
 352 #define KRB5_TC_MATCH_2ND_TKT           (1 << 23)
 353 #define KRB5_TC_MATCH_IS_SKEY           (1 << 22)
 354
 355 typedef AuthorizationData krb5_authdata;
 356
 357 typedef KRB_ERROR krb5_error;
 358
 359 typedef struct krb5_creds {
 360     krb5_principal client;
 361     krb5_principal server;
 362     krb5_keyblock session;
 363     krb5_times times;
 364     krb5_data ticket;
 365     krb5_data second_ticket;
 366     krb5_authdata authdata;
 367     krb5_addresses addresses;
 368     krb5_ticket_flags flags;
 369 } krb5_creds;
 370
 371 typedef struct krb5_cc_ops {
 372     const char *prefix;
 373     const char* (*get_name)(krb5_context, krb5_ccache);
 374     krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);
 375     krb5_error_code (*gen_new)(krb5_context, krb5_ccache *);
 376     krb5_error_code (*init)(krb5_context, krb5_ccache, krb5_principal);
 377     krb5_error_code (*destroy)(krb5_context, krb5_ccache);
 378     krb5_error_code (*close)(krb5_context, krb5_ccache);
 379     krb5_error_code (*store)(krb5_context, krb5_ccache, krb5_creds*);
 380     krb5_error_code (*retrieve)(krb5_context, krb5_ccache,
 381                                 krb5_flags, const krb5_creds*, krb5_creds *);
 382     krb5_error_code (*get_princ)(krb5_context, krb5_ccache, krb5_principal*);
 383     krb5_error_code (*get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
 384     krb5_error_code (*get_next)(krb5_context, krb5_ccache,
 385                                 krb5_cc_cursor*, krb5_creds*);
 386     krb5_error_code (*end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
 387     krb5_error_code (*remove_cred)(krb5_context, krb5_ccache,
 388                                    krb5_flags, krb5_creds*);
 389     krb5_error_code (*set_flags)(krb5_context, krb5_ccache, krb5_flags);
 390     int (*get_version)(krb5_context, krb5_ccache);
 391 } krb5_cc_ops;
 392
 393 struct krb5_log_facility;
 394
 395 struct krb5_config_binding {
 396     enum { krb5_config_string, krb5_config_list } type;
 397     char *name;
 398     struct krb5_config_binding *next;
 399     union {
 400         char *string;
 401         struct krb5_config_binding *list;
 402         void *generic;
 403     } u;
 404 };
 405
 406 typedef struct krb5_config_binding krb5_config_binding;
 407
 408 typedef krb5_config_binding krb5_config_section;
 409
 410 typedef struct krb5_context_data {
 411     krb5_enctype *etypes;
 412     krb5_enctype *etypes_des;
 413     char **default_realms;
 414     time_t max_skew;
 415     time_t kdc_timeout;
 416     unsigned max_retries;
 417     int32_t kdc_sec_offset;
 418     int32_t kdc_usec_offset;
 419     krb5_config_section *cf;
 420     struct et_list *et_list;
 421     struct krb5_log_facility *warn_dest;
 422     krb5_cc_ops *cc_ops;
 423     int num_cc_ops;
 424     const char *http_proxy;
 425     const char *time_fmt;
 426     krb5_boolean log_utc;
 427     const char *default_keytab;
 428     const char *default_keytab_modify;
 429     krb5_boolean use_admin_kdc;
 430     krb5_addresses *extra_addresses;
 431     krb5_boolean scan_interfaces;       /* `ifconfig -a' */
 432     krb5_boolean srv_lookup;            /* do SRV lookups */
 433     krb5_boolean srv_try_txt;           /* try TXT records also */
 434     int32_t fcache_vno;                 /* create cache files w/ this
 435                                            version */
 436     int num_kt_types;                   /* # of registered keytab types */
 437     struct krb5_keytab_data *kt_types;  /* registered keytab types */
 438     const char *date_fmt;
 439     char *error_string;
 440     char error_buf[256];
 441     krb5_addresses *ignore_addresses;
 442     char *default_cc_name;
 443     int pkinit_flags;
 444     void *mutex;                        /* protects error_string/error_buf */
 445     int large_msg_size;
 446 } krb5_context_data;
 447
 448 enum {
 449     KRB5_PKINIT_WIN2K           = 1,    /* wire compatible with Windows 2k */
 450     KRB5_PKINIT_PACKET_CABLE    = 2     /* use packet cable standard */
 451 };
 452
 453 typedef struct krb5_ticket {
 454     EncTicketPart ticket;
 455     krb5_principal client;
 456     krb5_principal server;
 457 } krb5_ticket;
 458
 459 typedef Authenticator krb5_authenticator_data;
 460
 461 typedef krb5_authenticator_data *krb5_authenticator;
 462
 463 struct krb5_rcache_data;
 464 typedef struct krb5_rcache_data *krb5_rcache;
 465 typedef Authenticator krb5_donot_replay;
 466
 467 #define KRB5_STORAGE_HOST_BYTEORDER                     0x01 /* old */
 468 #define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS     0x02
 469 #define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE             0x04
 470 #define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE             0x08
 471 #define KRB5_STORAGE_BYTEORDER_MASK                     0x60
 472 #define KRB5_STORAGE_BYTEORDER_BE                       0x00 /* default */
 473 #define KRB5_STORAGE_BYTEORDER_LE                       0x20
 474 #define KRB5_STORAGE_BYTEORDER_HOST                     0x40
 475 #define KRB5_STORAGE_CREDS_FLAGS_WRONG_BITORDER         0x80
 476
 477 struct krb5_storage_data;
 478 typedef struct krb5_storage_data krb5_storage;
 479
 480 typedef struct krb5_keytab_entry {
 481     krb5_principal principal;
 482     krb5_kvno vno;
 483     krb5_keyblock keyblock;
 484     u_int32_t timestamp;
 485 } krb5_keytab_entry;
 486
 487 typedef struct krb5_kt_cursor {
 488     int fd;
 489     krb5_storage *sp;
 490     void *data;
 491 } krb5_kt_cursor;
 492
 493 struct krb5_keytab_data;
 494
 495 typedef struct krb5_keytab_data *krb5_keytab;
 496
 497 #define KRB5_KT_PREFIX_MAX_LEN  30
 498
 499 struct krb5_keytab_data {
 500     const char *prefix;
 501     krb5_error_code (*resolve)(krb5_context, const char*, krb5_keytab);
 502     krb5_error_code (*get_name)(krb5_context, krb5_keytab, char*, size_t);
 503     krb5_error_code (*close)(krb5_context, krb5_keytab);
 504     krb5_error_code (*get)(krb5_context, krb5_keytab, krb5_const_principal,
 505                            krb5_kvno, krb5_enctype, krb5_keytab_entry*);
 506     krb5_error_code (*start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 507     krb5_error_code (*next_entry)(krb5_context, krb5_keytab,
 508                                   krb5_keytab_entry*, krb5_kt_cursor*);
 509     krb5_error_code (*end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 510     krb5_error_code (*add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 511     krb5_error_code (*remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 512     void *data;
 513     int32_t version;
 514 };
 515
 516 typedef struct krb5_keytab_data krb5_kt_ops;
 517
 518 struct krb5_keytab_key_proc_args {
 519     krb5_keytab keytab;
 520     krb5_principal principal;
 521 };
 522
 523 typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;
 524
 525 typedef struct krb5_replay_data {
 526     krb5_timestamp timestamp;
 527     int32_t usec;
 528     u_int32_t seq;
 529 } krb5_replay_data;
 530
 531 /* flags for krb5_auth_con_setflags */
 532 enum {
 533     KRB5_AUTH_CONTEXT_DO_TIME                   = 1,
 534     KRB5_AUTH_CONTEXT_RET_TIME                  = 2,
 535     KRB5_AUTH_CONTEXT_DO_SEQUENCE               = 4,
 536     KRB5_AUTH_CONTEXT_RET_SEQUENCE              = 8,
 537     KRB5_AUTH_CONTEXT_PERMIT_ALL                = 16,
 538     KRB5_AUTH_CONTEXT_USE_SUBKEY                = 32,
 539     KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED      = 64
 540 };
 541
 542 /* flags for krb5_auth_con_genaddrs */
 543 enum {
 544     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
 545     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
 546     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
 547     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
 548 };
 549
 550 typedef struct krb5_auth_context_data {
 551     unsigned int flags;
 552
 553     krb5_address *local_address;
 554     krb5_address *remote_address;
 555     int16_t local_port;
 556     int16_t remote_port;
 557     krb5_keyblock *keyblock;
 558     krb5_keyblock *local_subkey;
 559     krb5_keyblock *remote_subkey;
 560
 561     u_int32_t local_seqnumber;
 562     u_int32_t remote_seqnumber;
 563
 564     krb5_authenticator authenticator;
 565
 566     krb5_pointer i_vector;
 567
 568     krb5_rcache rcache;
 569
 570     krb5_keytype keytype;       /* ¿requested key type ? */
 571     krb5_cksumtype cksumtype;   /* ¡requested checksum type! */
 572
 573 }krb5_auth_context_data, *krb5_auth_context;
 574
 575 typedef struct {
 576     KDC_REP kdc_rep;
 577     EncKDCRepPart enc_part;
 578     KRB_ERROR error;
 579 } krb5_kdc_rep;
 580
 581 extern const char *heimdal_version, *heimdal_long_version;
 582
 583 typedef void (*krb5_log_log_func_t)(const char*, const char*, void*);
 584 typedef void (*krb5_log_close_func_t)(void*);
 585
 586 typedef struct krb5_log_facility {
 587     char *program;
 588     int len;
 589     struct facility *val;
 590 } krb5_log_facility;
 591
 592 typedef EncAPRepPart krb5_ap_rep_enc_part;
 593
 594 #define KRB5_RECVAUTH_IGNORE_VERSION 1
 595
 596 #define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"
 597
 598 #define KRB5_TGS_NAME_SIZE (6)
 599 #define KRB5_TGS_NAME ("krbtgt")
 600
 601 /* variables */
 602
 603 extern const char *krb5_config_file;
 604 extern const char *krb5_defkeyname;
 605
 606 typedef enum {
 607     KRB5_PROMPT_TYPE_PASSWORD           = 0x1,
 608     KRB5_PROMPT_TYPE_NEW_PASSWORD       = 0x2,
 609     KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
 610     KRB5_PROMPT_TYPE_PREAUTH            = 0x4
 611 } krb5_prompt_type;
 612
 613 typedef struct _krb5_prompt {
 614     const char *prompt;
 615     int hidden;
 616     krb5_data *reply;
 617     krb5_prompt_type type;
 618 } krb5_prompt;
 619
 620 typedef int (*krb5_prompter_fct)(krb5_context context,
 621                                  void *data,
 622                                  const char *name,
 623                                  const char *banner,
 624                                  int num_prompts,
 625                                  krb5_prompt prompts[]);
 626 typedef krb5_error_code (*krb5_key_proc)(krb5_context context,
 627                                          krb5_enctype type,
 628                                          krb5_salt salt,
 629                                          krb5_const_pointer keyseed,
 630                                          krb5_keyblock **key);
 631 typedef krb5_error_code (*krb5_decrypt_proc)(krb5_context context,
 632                                              krb5_keyblock *key,
 633                                              krb5_key_usage usage,
 634                                              krb5_const_pointer decrypt_arg,
 635                                              krb5_kdc_rep *dec_rep);
 636 typedef krb5_error_code (*krb5_s2k_proc)(krb5_context context,
 637                                          krb5_enctype type,
 638                                          krb5_const_pointer keyseed,
 639                                          krb5_salt salt,
 640                                          krb5_data *s2kparms,
 641                                          krb5_keyblock **key);
 642
 643 struct _krb5_get_init_creds_opt_private;
 644
 645 typedef struct _krb5_get_init_creds_opt {
 646     krb5_flags flags;
 647     krb5_deltat tkt_life;
 648     krb5_deltat renew_life;
 649     int forwardable;
 650     int proxiable;
 651     int anonymous;
 652     krb5_enctype *etype_list;
 653     int etype_list_length;
 654     krb5_addresses *address_list;
 655     /* XXX the next three should not be used, as they may be
 656        removed later */
 657     krb5_preauthtype *preauth_list;
 658     int preauth_list_length;
 659     krb5_data *salt;
 660     struct _krb5_get_init_creds_opt_private *opt_private;
 661 } krb5_get_init_creds_opt;
 662
 663 #define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE        0x0001
 664 #define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE      0x0002
 665 #define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE     0x0004
 666 #define KRB5_GET_INIT_CREDS_OPT_PROXIABLE       0x0008
 667 #define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST      0x0010
 668 #define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST    0x0020
 669 #define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST    0x0040
 670 #define KRB5_GET_INIT_CREDS_OPT_SALT            0x0080
 671 #define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS       0x0100
 672 #define KRB5_GET_INIT_CREDS_OPT_DISABLE_TRANSITED_CHECK 0x0200
 673
 674 typedef struct _krb5_verify_init_creds_opt {
 675     krb5_flags flags;
 676     int ap_req_nofail;
 677 } krb5_verify_init_creds_opt;
 678
 679 #define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL        0x0001
 680
 681 typedef struct krb5_verify_opt {
 682     unsigned int flags;
 683     krb5_ccache ccache;
 684     krb5_keytab keytab;
 685     krb5_boolean secure;
 686     const char *service;
 687 } krb5_verify_opt;
 688
 689 #define KRB5_VERIFY_LREALMS             1
 690 #define KRB5_VERIFY_NO_ADDRESSES        2
 691
 692 extern const krb5_cc_ops krb5_acc_ops;
 693 extern const krb5_cc_ops krb5_fcc_ops;
 694 extern const krb5_cc_ops krb5_mcc_ops;
 695 extern const krb5_cc_ops krb5_kcm_ops;
 696
 697 extern const krb5_kt_ops krb5_fkt_ops;
 698 extern const krb5_kt_ops krb5_wrfkt_ops;
 699 extern const krb5_kt_ops krb5_javakt_ops;
 700 extern const krb5_kt_ops krb5_mkt_ops;
 701 extern const krb5_kt_ops krb5_akf_ops;
 702 extern const krb5_kt_ops krb4_fkt_ops;
 703 extern const krb5_kt_ops krb5_srvtab_fkt_ops;
 704 extern const krb5_kt_ops krb5_any_ops;
 705
 706 #define KRB5_KPASSWD_VERS_CHANGEPW      1
 707 #define KRB5_KPASSWD_VERS_SETPW         0xff80
 708
 709 #define KRB5_KPASSWD_SUCCESS    0
 710 #define KRB5_KPASSWD_MALFORMED  1
 711 #define KRB5_KPASSWD_HARDERROR  2
 712 #define KRB5_KPASSWD_AUTHERROR  3
 713 #define KRB5_KPASSWD_SOFTERROR  4
 714 #define KRB5_KPASSWD_ACCESSDENIED 5
 715 #define KRB5_KPASSWD_BAD_VERSION 6
 716 #define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
 717
 718 #define KPASSWD_PORT 464
 719
 720 /* types for the new krbhst interface */
 721 struct krb5_krbhst_data;
 722 typedef struct krb5_krbhst_data *krb5_krbhst_handle;
 723
 724 #define KRB5_KRBHST_KDC         1
 725 #define KRB5_KRBHST_ADMIN       2
 726 #define KRB5_KRBHST_CHANGEPW    3
 727 #define KRB5_KRBHST_KRB524      4
 728
 729 typedef struct krb5_krbhst_info {
 730     enum { KRB5_KRBHST_UDP,
 731            KRB5_KRBHST_TCP,
 732            KRB5_KRBHST_HTTP } proto;
 733     unsigned short port;
 734     unsigned short def_port;
 735     struct addrinfo *ai;
 736     struct krb5_krbhst_info *next;
 737     char hostname[1]; /* has to come last */
 738 } krb5_krbhst_info;
 739
 740 /* flags for krb5_krbhst_init_flags (and krb5_send_to_kdc_flags) */
 741 enum {
 742     KRB5_KRBHST_FLAGS_MASTER      = 1,
 743     KRB5_KRBHST_FLAGS_LARGE_MSG   = 2
 744 };
 745
 746 struct credentials; /* this is to keep the compiler happy */
 747 struct getargs;
 748 struct sockaddr;
 749
 750 #include <krb5-protos.h>
 751
 752 #endif /* __KRB5_H__ */
 753