lib/krb5/krb5.h

   1 /*
   2  * Copyright (c) 1997 - 2007 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 #ifndef KRB5_DEPRECATED
  55 #if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))
  56 #define KRB5_DEPRECATED __attribute__((deprecated))
  57 #elif defined(_MSC_VER) && (_MSC_VER>1200)
  58 #define KRB5_DEPRECATED __declspec(deprecated)
  59 #else
  60 #define KRB5_DEPRECATED
  61 #endif
  62 #endif
  63
  64 /* simple constants */
  65
  66 #ifndef TRUE
  67 #define TRUE  1
  68 #define FALSE 0
  69 #endif
  70
  71 typedef int krb5_boolean;
  72
  73 typedef int32_t krb5_error_code;
  74
  75 typedef int krb5_kvno;
  76
  77 typedef uint32_t krb5_flags;
  78
  79 typedef void *krb5_pointer;
  80 typedef const void *krb5_const_pointer;
  81
  82 struct krb5_crypto_data;
  83 typedef struct krb5_crypto_data *krb5_crypto;
  84
  85 struct krb5_get_creds_opt_data;
  86 typedef struct krb5_get_creds_opt_data *krb5_get_creds_opt;
  87
  88 struct krb5_digest_data;
  89 typedef struct krb5_digest_data *krb5_digest;
  90 struct krb5_ntlm_data;
  91 typedef struct krb5_ntlm_data *krb5_ntlm;
  92
  93 struct krb5_pac_data;
  94 typedef struct krb5_pac_data *krb5_pac;
  95
  96 typedef struct krb5_rd_req_in_ctx_data *krb5_rd_req_in_ctx;
  97 typedef struct krb5_rd_req_out_ctx_data *krb5_rd_req_out_ctx;
  98
  99 typedef CKSUMTYPE krb5_cksumtype;
 100
 101 typedef Checksum krb5_checksum;
 102
 103 typedef ENCTYPE krb5_enctype;
 104
 105 typedef struct krb5_get_init_creds_ctx *krb5_init_creds_context;
 106
 107 typedef heim_octet_string krb5_data;
 108
 109 /* PKINIT related forward declarations */
 110 struct ContentInfo;
 111 struct krb5_pk_identity;
 112 struct krb5_pk_cert;
 113
 114 /* krb5_enc_data is a mit compat structure */
 115 typedef struct krb5_enc_data {
 116     krb5_enctype enctype;
 117     krb5_kvno kvno;
 118     krb5_data ciphertext;
 119 } krb5_enc_data;
 120
 121 /* alternative names */
 122 enum {
 123     ENCTYPE_NULL                = ETYPE_NULL,
 124     ENCTYPE_DES_CBC_CRC         = ETYPE_DES_CBC_CRC,
 125     ENCTYPE_DES_CBC_MD4         = ETYPE_DES_CBC_MD4,
 126     ENCTYPE_DES_CBC_MD5         = ETYPE_DES_CBC_MD5,
 127     ENCTYPE_DES3_CBC_MD5        = ETYPE_DES3_CBC_MD5,
 128     ENCTYPE_OLD_DES3_CBC_SHA1   = ETYPE_OLD_DES3_CBC_SHA1,
 129     ENCTYPE_SIGN_DSA_GENERATE   = ETYPE_SIGN_DSA_GENERATE,
 130     ENCTYPE_ENCRYPT_RSA_PRIV    = ETYPE_ENCRYPT_RSA_PRIV,
 131     ENCTYPE_ENCRYPT_RSA_PUB     = ETYPE_ENCRYPT_RSA_PUB,
 132     ENCTYPE_DES3_CBC_SHA1       = ETYPE_DES3_CBC_SHA1,
 133     ENCTYPE_AES128_CTS_HMAC_SHA1_96 = ETYPE_AES128_CTS_HMAC_SHA1_96,
 134     ENCTYPE_AES256_CTS_HMAC_SHA1_96 = ETYPE_AES256_CTS_HMAC_SHA1_96,
 135     ENCTYPE_ARCFOUR_HMAC        = ETYPE_ARCFOUR_HMAC_MD5,
 136     ENCTYPE_ARCFOUR_HMAC_MD5    = ETYPE_ARCFOUR_HMAC_MD5,
 137     ENCTYPE_ARCFOUR_HMAC_MD5_56 = ETYPE_ARCFOUR_HMAC_MD5_56,
 138     ENCTYPE_ENCTYPE_PK_CROSS    = ETYPE_ENCTYPE_PK_CROSS,
 139     ENCTYPE_DES_CBC_NONE        = ETYPE_DES_CBC_NONE,
 140     ENCTYPE_DES3_CBC_NONE       = ETYPE_DES3_CBC_NONE,
 141     ENCTYPE_DES_CFB64_NONE      = ETYPE_DES_CFB64_NONE,
 142     ENCTYPE_DES_PCBC_NONE       = ETYPE_DES_PCBC_NONE
 143 };
 144
 145 typedef PADATA_TYPE krb5_preauthtype;
 146
 147 typedef enum krb5_key_usage {
 148     KRB5_KU_PA_ENC_TIMESTAMP = 1,
 149     /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
 150        client key (section 5.4.1) */
 151     KRB5_KU_TICKET = 2,
 152     /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
 153        application session key), encrypted with the service key
 154        (section 5.4.2) */
 155     KRB5_KU_AS_REP_ENC_PART = 3,
 156     /* AS-REP encrypted part (includes tgs session key or application
 157        session key), encrypted with the client key (section 5.4.2) */
 158     KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
 159     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 160        session key (section 5.4.1) */
 161     KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
 162     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 163           authenticator subkey (section 5.4.1) */
 164     KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
 165     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
 166        with the tgs session key (sections 5.3.2, 5.4.1) */
 167     KRB5_KU_TGS_REQ_AUTH = 7,
 168     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
 169        authenticator subkey), encrypted with the tgs session key
 170        (section 5.3.2) */
 171     KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
 172     /* TGS-REP encrypted part (includes application session key),
 173        encrypted with the tgs session key (section 5.4.2) */
 174     KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
 175     /* TGS-REP encrypted part (includes application session key),
 176        encrypted with the tgs authenticator subkey (section 5.4.2) */
 177     KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
 178     /* AP-REQ Authenticator cksum, keyed with the application session
 179        key (section 5.3.2) */
 180     KRB5_KU_AP_REQ_AUTH = 11,
 181     /* AP-REQ Authenticator (includes application authenticator
 182        subkey), encrypted with the application session key (section
 183        5.3.2) */
 184     KRB5_KU_AP_REQ_ENC_PART = 12,
 185     /* AP-REP encrypted part (includes application session subkey),
 186        encrypted with the application session key (section 5.5.2) */
 187     KRB5_KU_KRB_PRIV = 13,
 188     /* KRB-PRIV encrypted part, encrypted with a key chosen by the
 189        application (section 5.7.1) */
 190     KRB5_KU_KRB_CRED = 14,
 191     /* KRB-CRED encrypted part, encrypted with a key chosen by the
 192        application (section 5.8.1) */
 193     KRB5_KU_KRB_SAFE_CKSUM = 15,
 194     /* KRB-SAFE cksum, keyed with a key chosen by the application
 195        (section 5.6.1) */
 196     KRB5_KU_OTHER_ENCRYPTED = 16,
 197     /* Data which is defined in some specification outside of
 198        Kerberos to be encrypted using an RFC1510 encryption type. */
 199     KRB5_KU_OTHER_CKSUM = 17,
 200     /* Data which is defined in some specification outside of
 201        Kerberos to be checksummed using an RFC1510 checksum type. */
 202     KRB5_KU_KRB_ERROR = 18,
 203     /* Krb-error checksum */
 204     KRB5_KU_AD_KDC_ISSUED = 19,
 205     /* AD-KDCIssued checksum */
 206     KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
 207     /* Checksum for Mandatory Ticket Extensions */
 208     KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
 209     /* Checksum in Authorization Data in Ticket Extensions */
 210     KRB5_KU_USAGE_SEAL = 22,
 211     /* seal in GSSAPI krb5 mechanism */
 212     KRB5_KU_USAGE_SIGN = 23,
 213     /* sign in GSSAPI krb5 mechanism */
 214     KRB5_KU_USAGE_SEQ = 24,
 215     /* SEQ in GSSAPI krb5 mechanism */
 216     KRB5_KU_USAGE_ACCEPTOR_SEAL = 22,
 217     /* acceptor sign in GSSAPI CFX krb5 mechanism */
 218     KRB5_KU_USAGE_ACCEPTOR_SIGN = 23,
 219     /* acceptor seal in GSSAPI CFX krb5 mechanism */
 220     KRB5_KU_USAGE_INITIATOR_SEAL = 24,
 221     /* initiator sign in GSSAPI CFX krb5 mechanism */
 222     KRB5_KU_USAGE_INITIATOR_SIGN = 25,
 223     /* initiator seal in GSSAPI CFX krb5 mechanism */
 224     KRB5_KU_PA_SERVER_REFERRAL_DATA = 22,
 225     /* encrypted server referral data */
 226     KRB5_KU_SAM_CHECKSUM = 25,
 227     /* Checksum for the SAM-CHECKSUM field */
 228     KRB5_KU_SAM_ENC_TRACK_ID = 26,
 229     /* Encryption of the SAM-TRACK-ID field */
 230     KRB5_KU_PA_SERVER_REFERRAL = 26,
 231     /* Keyusage for the server referral in a TGS req */
 232     KRB5_KU_SAM_ENC_NONCE_SAD = 27,
 233     /* Encryption of the SAM-NONCE-OR-SAD field */
 234     KRB5_KU_PA_PKINIT_KX = 44,
 235     /* Encryption type of the kdc session contribution in pk-init */
 236     KRB5_KU_DIGEST_ENCRYPT = -18,
 237     /* Encryption key usage used in the digest encryption field */
 238     KRB5_KU_DIGEST_OPAQUE = -19,
 239     /* Checksum key usage used in the digest opaque field */
 240     KRB5_KU_KRB5SIGNEDPATH = -21,
 241     /* Checksum key usage on KRB5SignedPath */
 242     KRB5_KU_CANONICALIZED_NAMES = -23
 243     /* Checksum key usage on PA-CANONICALIZED */
 244 } krb5_key_usage;
 245
 246 typedef krb5_key_usage krb5_keyusage;
 247
 248 typedef enum krb5_salttype {
 249     KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
 250     KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
 251 }krb5_salttype;
 252
 253 typedef struct krb5_salt {
 254     krb5_salttype salttype;
 255     krb5_data saltvalue;
 256 } krb5_salt;
 257
 258 typedef ETYPE_INFO krb5_preauthinfo;
 259
 260 typedef struct {
 261     krb5_preauthtype type;
 262     krb5_preauthinfo info; /* list of preauthinfo for this type */
 263 } krb5_preauthdata_entry;
 264
 265 typedef struct krb5_preauthdata {
 266     unsigned len;
 267     krb5_preauthdata_entry *val;
 268 }krb5_preauthdata;
 269
 270 typedef enum krb5_address_type {
 271     KRB5_ADDRESS_INET     =   2,
 272     KRB5_ADDRESS_NETBIOS  =  20,
 273     KRB5_ADDRESS_INET6    =  24,
 274     KRB5_ADDRESS_ADDRPORT = 256,
 275     KRB5_ADDRESS_IPPORT   = 257
 276 } krb5_address_type;
 277
 278 enum {
 279   AP_OPTS_USE_SESSION_KEY = 1,
 280   AP_OPTS_MUTUAL_REQUIRED = 2,
 281   AP_OPTS_USE_SUBKEY = 4                /* library internal */
 282 };
 283
 284 typedef HostAddress krb5_address;
 285
 286 typedef HostAddresses krb5_addresses;
 287
 288 typedef enum krb5_keytype {
 289     KEYTYPE_NULL        = ETYPE_NULL,
 290     KEYTYPE_DES         = ETYPE_DES_CBC_CRC,
 291     KEYTYPE_DES3        = ETYPE_OLD_DES3_CBC_SHA1,
 292     KEYTYPE_AES128      = ETYPE_AES128_CTS_HMAC_SHA1_96,
 293     KEYTYPE_AES256      = ETYPE_AES256_CTS_HMAC_SHA1_96,
 294     KEYTYPE_ARCFOUR     = ETYPE_ARCFOUR_HMAC_MD5,
 295     KEYTYPE_ARCFOUR_56  = ETYPE_ARCFOUR_HMAC_MD5_56
 296 } krb5_keytype;
 297
 298 typedef EncryptionKey krb5_keyblock;
 299
 300 typedef AP_REQ krb5_ap_req;
 301
 302 struct krb5_cc_ops;
 303
 304 #define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"
 305
 306 #define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT
 307
 308 #define KRB5_ACCEPT_NULL_ADDRESSES(C)                                    \
 309     krb5_config_get_bool_default((C), NULL, TRUE,                        \
 310                                  "libdefaults", "accept_null_addresses", \
 311                                  NULL)
 312
 313 typedef void *krb5_cc_cursor;
 314 typedef struct krb5_cccol_cursor_data *krb5_cccol_cursor;
 315
 316 typedef struct krb5_ccache_data {
 317     const struct krb5_cc_ops *ops;
 318     krb5_data data;
 319 }krb5_ccache_data;
 320
 321 typedef struct krb5_ccache_data *krb5_ccache;
 322
 323 typedef struct krb5_context_data *krb5_context;
 324
 325 typedef Realm krb5_realm;
 326 typedef const char *krb5_const_realm; /* stupid language */
 327
 328 #define krb5_realm_length(r) strlen(r)
 329 #define krb5_realm_data(r) (r)
 330
 331 typedef Principal krb5_principal_data;
 332 typedef struct Principal *krb5_principal;
 333 typedef const struct Principal *krb5_const_principal;
 334 typedef struct Principals *krb5_principals;
 335
 336 typedef time_t krb5_deltat;
 337 typedef time_t krb5_timestamp;
 338
 339 typedef struct krb5_times {
 340   krb5_timestamp authtime;
 341   krb5_timestamp starttime;
 342   krb5_timestamp endtime;
 343   krb5_timestamp renew_till;
 344 } krb5_times;
 345
 346 typedef union {
 347     TicketFlags b;
 348     krb5_flags i;
 349 } krb5_ticket_flags;
 350
 351 /* options for krb5_get_in_tkt() */
 352 #define KDC_OPT_FORWARDABLE             (1 << 1)
 353 #define KDC_OPT_FORWARDED               (1 << 2)
 354 #define KDC_OPT_PROXIABLE               (1 << 3)
 355 #define KDC_OPT_PROXY                   (1 << 4)
 356 #define KDC_OPT_ALLOW_POSTDATE          (1 << 5)
 357 #define KDC_OPT_POSTDATED               (1 << 6)
 358 #define KDC_OPT_RENEWABLE               (1 << 8)
 359 #define KDC_OPT_REQUEST_ANONYMOUS       (1 << 14)
 360 #define KDC_OPT_DISABLE_TRANSITED_CHECK (1 << 26)
 361 #define KDC_OPT_RENEWABLE_OK            (1 << 27)
 362 #define KDC_OPT_ENC_TKT_IN_SKEY         (1 << 28)
 363 #define KDC_OPT_RENEW                   (1 << 30)
 364 #define KDC_OPT_VALIDATE                (1 << 31)
 365
 366 typedef union {
 367     KDCOptions b;
 368     krb5_flags i;
 369 } krb5_kdc_flags;
 370
 371 /* flags for krb5_verify_ap_req */
 372
 373 #define KRB5_VERIFY_AP_REQ_IGNORE_INVALID       (1 << 0)
 374
 375 #define KRB5_GC_CACHED                  (1U << 0)
 376 #define KRB5_GC_USER_USER               (1U << 1)
 377 #define KRB5_GC_EXPIRED_OK              (1U << 2)
 378 #define KRB5_GC_NO_STORE                (1U << 3)
 379 #define KRB5_GC_FORWARDABLE             (1U << 4)
 380 #define KRB5_GC_NO_TRANSIT_CHECK        (1U << 5)
 381 #define KRB5_GC_CONSTRAINED_DELEGATION  (1U << 6)
 382 #define KRB5_GC_CANONICALIZE            (1U << 7)
 383
 384 /* constants for compare_creds (and cc_retrieve_cred) */
 385 #define KRB5_TC_DONT_MATCH_REALM        (1U << 31)
 386 #define KRB5_TC_MATCH_KEYTYPE           (1U << 30)
 387 #define KRB5_TC_MATCH_KTYPE             KRB5_TC_MATCH_KEYTYPE    /* MIT name */
 388 #define KRB5_TC_MATCH_SRV_NAMEONLY      (1 << 29)
 389 #define KRB5_TC_MATCH_FLAGS_EXACT       (1 << 28)
 390 #define KRB5_TC_MATCH_FLAGS             (1 << 27)
 391 #define KRB5_TC_MATCH_TIMES_EXACT       (1 << 26)
 392 #define KRB5_TC_MATCH_TIMES             (1 << 25)
 393 #define KRB5_TC_MATCH_AUTHDATA          (1 << 24)
 394 #define KRB5_TC_MATCH_2ND_TKT           (1 << 23)
 395 #define KRB5_TC_MATCH_IS_SKEY           (1 << 22)
 396
 397 typedef AuthorizationData krb5_authdata;
 398
 399 typedef KRB_ERROR krb5_error;
 400
 401 typedef struct krb5_creds {
 402     krb5_principal client;
 403     krb5_principal server;
 404     krb5_keyblock session;
 405     krb5_times times;
 406     krb5_data ticket;
 407     krb5_data second_ticket;
 408     krb5_authdata authdata;
 409     krb5_addresses addresses;
 410     krb5_ticket_flags flags;
 411 } krb5_creds;
 412
 413 typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;
 414
 415 #define KRB5_CC_OPS_VERSION 2
 416
 417 typedef struct krb5_cc_ops {
 418     int version;
 419     const char *prefix;
 420     const char* (*get_name)(krb5_context, krb5_ccache);
 421     krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);
 422     krb5_error_code (*gen_new)(krb5_context, krb5_ccache *);
 423     krb5_error_code (*init)(krb5_context, krb5_ccache, krb5_principal);
 424     krb5_error_code (*destroy)(krb5_context, krb5_ccache);
 425     krb5_error_code (*close)(krb5_context, krb5_ccache);
 426     krb5_error_code (*store)(krb5_context, krb5_ccache, krb5_creds*);
 427     krb5_error_code (*retrieve)(krb5_context, krb5_ccache,
 428                                 krb5_flags, const krb5_creds*, krb5_creds *);
 429     krb5_error_code (*get_princ)(krb5_context, krb5_ccache, krb5_principal*);
 430     krb5_error_code (*get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
 431     krb5_error_code (*get_next)(krb5_context, krb5_ccache,
 432                                 krb5_cc_cursor*, krb5_creds*);
 433     krb5_error_code (*end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
 434     krb5_error_code (*remove_cred)(krb5_context, krb5_ccache,
 435                                    krb5_flags, krb5_creds*);
 436     krb5_error_code (*set_flags)(krb5_context, krb5_ccache, krb5_flags);
 437     int (*get_version)(krb5_context, krb5_ccache);
 438     krb5_error_code (*get_cache_first)(krb5_context, krb5_cc_cursor *);
 439     krb5_error_code (*get_cache_next)(krb5_context, krb5_cc_cursor, krb5_ccache *);
 440     krb5_error_code (*end_cache_get)(krb5_context, krb5_cc_cursor);
 441     krb5_error_code (*move)(krb5_context, krb5_ccache, krb5_ccache);
 442     krb5_error_code (*get_default_name)(krb5_context, char **);
 443     krb5_error_code (*set_default)(krb5_context, krb5_ccache);
 444     krb5_error_code (*lastchange)(krb5_context, krb5_ccache, krb5_timestamp *);
 445 } krb5_cc_ops;
 446
 447 struct krb5_log_facility;
 448
 449 struct krb5_config_binding {
 450     enum { krb5_config_string, krb5_config_list } type;
 451     char *name;
 452     struct krb5_config_binding *next;
 453     union {
 454         char *string;
 455         struct krb5_config_binding *list;
 456         void *generic;
 457     } u;
 458 };
 459
 460 typedef struct krb5_config_binding krb5_config_binding;
 461
 462 typedef krb5_config_binding krb5_config_section;
 463
 464 typedef struct krb5_ticket {
 465     EncTicketPart ticket;
 466     krb5_principal client;
 467     krb5_principal server;
 468 } krb5_ticket;
 469
 470 typedef Authenticator krb5_authenticator_data;
 471
 472 typedef krb5_authenticator_data *krb5_authenticator;
 473
 474 struct krb5_rcache_data;
 475 typedef struct krb5_rcache_data *krb5_rcache;
 476 typedef Authenticator krb5_donot_replay;
 477
 478 #define KRB5_STORAGE_HOST_BYTEORDER                     0x01 /* old */
 479 #define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS     0x02
 480 #define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE             0x04
 481 #define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE             0x08
 482 #define KRB5_STORAGE_BYTEORDER_MASK                     0x60
 483 #define KRB5_STORAGE_BYTEORDER_BE                       0x00 /* default */
 484 #define KRB5_STORAGE_BYTEORDER_LE                       0x20
 485 #define KRB5_STORAGE_BYTEORDER_HOST                     0x40
 486 #define KRB5_STORAGE_CREDS_FLAGS_WRONG_BITORDER         0x80
 487
 488 struct krb5_storage_data;
 489 typedef struct krb5_storage_data krb5_storage;
 490
 491 typedef struct krb5_keytab_entry {
 492     krb5_principal principal;
 493     krb5_kvno vno;
 494     krb5_keyblock keyblock;
 495     uint32_t timestamp;
 496     uint32_t flags;
 497     krb5_principals aliases;
 498 } krb5_keytab_entry;
 499
 500 typedef struct krb5_kt_cursor {
 501     int fd;
 502     krb5_storage *sp;
 503     void *data;
 504 } krb5_kt_cursor;
 505
 506 struct krb5_keytab_data;
 507
 508 typedef struct krb5_keytab_data *krb5_keytab;
 509
 510 #define KRB5_KT_PREFIX_MAX_LEN  30
 511
 512 struct krb5_keytab_data {
 513     const char *prefix;
 514     krb5_error_code (*resolve)(krb5_context, const char*, krb5_keytab);
 515     krb5_error_code (*get_name)(krb5_context, krb5_keytab, char*, size_t);
 516     krb5_error_code (*close)(krb5_context, krb5_keytab);
 517     krb5_error_code (*destroy)(krb5_context, krb5_keytab);
 518     krb5_error_code (*get)(krb5_context, krb5_keytab, krb5_const_principal,
 519                            krb5_kvno, krb5_enctype, krb5_keytab_entry*);
 520     krb5_error_code (*start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 521     krb5_error_code (*next_entry)(krb5_context, krb5_keytab,
 522                                   krb5_keytab_entry*, krb5_kt_cursor*);
 523     krb5_error_code (*end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 524     krb5_error_code (*add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 525     krb5_error_code (*remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 526     void *data;
 527     int32_t version;
 528 };
 529
 530 typedef struct krb5_keytab_data krb5_kt_ops;
 531
 532 struct krb5_keytab_key_proc_args {
 533     krb5_keytab keytab;
 534     krb5_principal principal;
 535 };
 536
 537 typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;
 538
 539 typedef struct krb5_replay_data {
 540     krb5_timestamp timestamp;
 541     int32_t usec;
 542     uint32_t seq;
 543 } krb5_replay_data;
 544
 545 /* flags for krb5_auth_con_setflags */
 546 enum {
 547     KRB5_AUTH_CONTEXT_DO_TIME                   = 1,
 548     KRB5_AUTH_CONTEXT_RET_TIME                  = 2,
 549     KRB5_AUTH_CONTEXT_DO_SEQUENCE               = 4,
 550     KRB5_AUTH_CONTEXT_RET_SEQUENCE              = 8,
 551     KRB5_AUTH_CONTEXT_PERMIT_ALL                = 16,
 552     KRB5_AUTH_CONTEXT_USE_SUBKEY                = 32,
 553     KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED      = 64
 554 };
 555
 556 /* flags for krb5_auth_con_genaddrs */
 557 enum {
 558     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
 559     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
 560     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
 561     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
 562 };
 563
 564 typedef struct krb5_auth_context_data {
 565     unsigned int flags;
 566
 567     krb5_address *local_address;
 568     krb5_address *remote_address;
 569     int16_t local_port;
 570     int16_t remote_port;
 571     krb5_keyblock *keyblock;
 572     krb5_keyblock *local_subkey;
 573     krb5_keyblock *remote_subkey;
 574
 575     uint32_t local_seqnumber;
 576     uint32_t remote_seqnumber;
 577
 578     krb5_authenticator authenticator;
 579
 580     krb5_pointer i_vector;
 581
 582     krb5_rcache rcache;
 583
 584     krb5_keytype keytype;       /* ¿requested key type ? */
 585     krb5_cksumtype cksumtype;   /* ¡requested checksum type! */
 586
 587 }krb5_auth_context_data, *krb5_auth_context;
 588
 589 typedef struct {
 590     KDC_REP kdc_rep;
 591     EncKDCRepPart enc_part;
 592     KRB_ERROR error;
 593 } krb5_kdc_rep;
 594
 595 extern const char *heimdal_version, *heimdal_long_version;
 596
 597 typedef void (*krb5_log_log_func_t)(const char*, const char*, void*);
 598 typedef void (*krb5_log_close_func_t)(void*);
 599
 600 typedef struct krb5_log_facility {
 601     char *program;
 602     int len;
 603     struct facility *val;
 604 } krb5_log_facility;
 605
 606 typedef EncAPRepPart krb5_ap_rep_enc_part;
 607
 608 #define KRB5_RECVAUTH_IGNORE_VERSION 1
 609
 610 #define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"
 611
 612 #define KRB5_TGS_NAME_SIZE (6)
 613 #define KRB5_TGS_NAME ("krbtgt")
 614 #define KRB5_WELLKNOWN_NAME ("WELLKNOWN")
 615 #define KRB5_ANON_NAME ("ANONYMOUS")
 616 #define KRB5_DIGEST_NAME ("digest")
 617
 618 typedef enum {
 619     KRB5_PROMPT_TYPE_PASSWORD           = 0x1,
 620     KRB5_PROMPT_TYPE_NEW_PASSWORD       = 0x2,
 621     KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
 622     KRB5_PROMPT_TYPE_PREAUTH            = 0x4,
 623     KRB5_PROMPT_TYPE_INFO               = 0x5
 624 } krb5_prompt_type;
 625
 626 typedef struct _krb5_prompt {
 627     const char *prompt;
 628     int hidden;
 629     krb5_data *reply;
 630     krb5_prompt_type type;
 631 } krb5_prompt;
 632
 633 typedef int (*krb5_prompter_fct)(krb5_context /*context*/,
 634                                  void * /*data*/,
 635                                  const char * /*name*/,
 636                                  const char * /*banner*/,
 637                                  int /*num_prompts*/,
 638                                  krb5_prompt /*prompts*/[]);
 639 typedef krb5_error_code (*krb5_key_proc)(krb5_context /*context*/,
 640                                          krb5_enctype /*type*/,
 641                                          krb5_salt /*salt*/,
 642                                          krb5_const_pointer /*keyseed*/,
 643                                          krb5_keyblock ** /*key*/);
 644 typedef krb5_error_code (*krb5_decrypt_proc)(krb5_context /*context*/,
 645                                              krb5_keyblock * /*key*/,
 646                                              krb5_key_usage /*usage*/,
 647                                              krb5_const_pointer /*decrypt_arg*/,
 648                                              krb5_kdc_rep * /*dec_rep*/);
 649 typedef krb5_error_code (*krb5_s2k_proc)(krb5_context /*context*/,
 650                                          krb5_enctype /*type*/,
 651                                          krb5_const_pointer /*keyseed*/,
 652                                          krb5_salt /*salt*/,
 653                                          krb5_data * /*s2kparms*/,
 654                                          krb5_keyblock ** /*key*/);
 655
 656 struct _krb5_get_init_creds_opt_private;
 657
 658 struct _krb5_get_init_creds_opt {
 659     krb5_flags flags;
 660     krb5_deltat tkt_life;
 661     krb5_deltat renew_life;
 662     int forwardable;
 663     int proxiable;
 664     int anonymous;
 665     krb5_enctype *etype_list;
 666     int etype_list_length;
 667     krb5_addresses *address_list;
 668     /* XXX the next three should not be used, as they may be
 669        removed later */
 670     krb5_preauthtype *preauth_list;
 671     int preauth_list_length;
 672     krb5_data *salt;
 673     struct _krb5_get_init_creds_opt_private *opt_private;
 674 };
 675
 676 typedef struct _krb5_get_init_creds_opt krb5_get_init_creds_opt;
 677
 678 #define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE        0x0001
 679 #define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE      0x0002
 680 #define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE     0x0004
 681 #define KRB5_GET_INIT_CREDS_OPT_PROXIABLE       0x0008
 682 #define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST      0x0010
 683 #define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST    0x0020
 684 #define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST    0x0040
 685 #define KRB5_GET_INIT_CREDS_OPT_SALT            0x0080 /* no supported */
 686 #define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS       0x0100
 687 #define KRB5_GET_INIT_CREDS_OPT_DISABLE_TRANSITED_CHECK 0x0200
 688
 689 typedef struct _krb5_verify_init_creds_opt {
 690     krb5_flags flags;
 691     int ap_req_nofail;
 692 } krb5_verify_init_creds_opt;
 693
 694 #define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL        0x0001
 695
 696 typedef struct krb5_verify_opt {
 697     unsigned int flags;
 698     krb5_ccache ccache;
 699     krb5_keytab keytab;
 700     krb5_boolean secure;
 701     const char *service;
 702 } krb5_verify_opt;
 703
 704 #define KRB5_VERIFY_LREALMS             1
 705 #define KRB5_VERIFY_NO_ADDRESSES        2
 706
 707 #define KRB5_KPASSWD_VERS_CHANGEPW      1
 708 #define KRB5_KPASSWD_VERS_SETPW         0xff80
 709
 710 #define KRB5_KPASSWD_SUCCESS    0
 711 #define KRB5_KPASSWD_MALFORMED  1
 712 #define KRB5_KPASSWD_HARDERROR  2
 713 #define KRB5_KPASSWD_AUTHERROR  3
 714 #define KRB5_KPASSWD_SOFTERROR  4
 715 #define KRB5_KPASSWD_ACCESSDENIED 5
 716 #define KRB5_KPASSWD_BAD_VERSION 6
 717 #define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
 718
 719 #define KPASSWD_PORT 464
 720
 721 /* types for the new krbhst interface */
 722 struct krb5_krbhst_data;
 723 typedef struct krb5_krbhst_data *krb5_krbhst_handle;
 724
 725 #define KRB5_KRBHST_KDC         1
 726 #define KRB5_KRBHST_ADMIN       2
 727 #define KRB5_KRBHST_CHANGEPW    3
 728 #define KRB5_KRBHST_KRB524      4
 729 #define KRB5_KRBHST_KCA         5
 730
 731 typedef struct krb5_krbhst_info {
 732     enum { KRB5_KRBHST_UDP,
 733            KRB5_KRBHST_TCP,
 734            KRB5_KRBHST_HTTP } proto;
 735     unsigned short port;
 736     unsigned short def_port;
 737     struct addrinfo *ai;
 738     struct krb5_krbhst_info *next;
 739     char hostname[1]; /* has to come last */
 740 } krb5_krbhst_info;
 741
 742 /* flags for krb5_krbhst_init_flags (and krb5_send_to_kdc_flags) */
 743 enum {
 744     KRB5_KRBHST_FLAGS_MASTER      = 1,
 745     KRB5_KRBHST_FLAGS_LARGE_MSG   = 2
 746 };
 747
 748 typedef krb5_error_code (*krb5_send_to_kdc_func)(krb5_context,
 749                                                  void *,
 750                                                  krb5_krbhst_info *,
 751                                                  time_t,
 752                                                  const krb5_data *,
 753                                                  krb5_data *);
 754
 755 /** flags for krb5_parse_name_flags */
 756 enum {
 757     KRB5_PRINCIPAL_PARSE_NO_REALM = 1, /**< Require that there are no realm */
 758     KRB5_PRINCIPAL_PARSE_REQUIRE_REALM = 2, /**< Require a realm present */
 759     KRB5_PRINCIPAL_PARSE_ENTERPRISE = 4 /**< Parse as a NT-ENTERPRISE name */
 760 };
 761
 762 /** flags for krb5_unparse_name_flags */
 763 enum {
 764     KRB5_PRINCIPAL_UNPARSE_SHORT = 1, /**< No realm if it is the default realm */
 765     KRB5_PRINCIPAL_UNPARSE_NO_REALM = 2, /**< No realm */
 766     KRB5_PRINCIPAL_UNPARSE_DISPLAY = 4 /**< No quoting */
 767 };
 768
 769 typedef struct krb5_sendto_ctx_data *krb5_sendto_ctx;
 770
 771 #define KRB5_SENDTO_DONE        0
 772 #define KRB5_SENDTO_RESTART     1
 773 #define KRB5_SENDTO_CONTINUE    2
 774
 775 typedef krb5_error_code (*krb5_sendto_ctx_func)(krb5_context, krb5_sendto_ctx, void *, const krb5_data *, int *);
 776
 777 struct krb5_plugin;
 778 enum krb5_plugin_type {
 779     PLUGIN_TYPE_DATA = 1,
 780     PLUGIN_TYPE_FUNC
 781 };
 782
 783 struct credentials; /* this is to keep the compiler happy */
 784 struct getargs;
 785 struct sockaddr;
 786
 787 /**
 788  * Semi private, not stable yet
 789  */
 790
 791 typedef struct krb5_crypto_iov {
 792     unsigned int flags;
 793     /* ignored */
 794 #define KRB5_CRYPTO_TYPE_EMPTY          0
 795     /* OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_HEADER) */
 796 #define KRB5_CRYPTO_TYPE_HEADER         1
 797     /* IN and OUT */
 798 #define KRB5_CRYPTO_TYPE_DATA           2
 799     /* IN */
 800 #define KRB5_CRYPTO_TYPE_SIGN_ONLY      3
 801    /* (only for encryption) OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_TRAILER) */
 802 #define KRB5_CRYPTO_TYPE_PADDING        4
 803    /* OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_TRAILER) */
 804 #define KRB5_CRYPTO_TYPE_TRAILER        5
 805    /* OUT krb5_crypto_length(KRB5_CRYPTO_TYPE_CHECKSUM) */
 806 #define KRB5_CRYPTO_TYPE_CHECKSUM       6
 807     krb5_data data;
 808 } krb5_crypto_iov;
 809
 810
 811 /* Glue for MIT */
 812
 813 typedef struct {
 814     int32_t lr_type;
 815     krb5_timestamp value;
 816 } krb5_last_req_entry;
 817
 818 typedef krb5_error_code
 819 (*krb5_gic_process_last_req)(krb5_context, krb5_last_req_entry **, void *);
 820
 821 /*
 822  *
 823  */
 824
 825 #include <krb5-protos.h>
 826
 827 /* variables */
 828
 829 extern KRB5_LIB_VARIABLE const char *krb5_config_file;
 830 extern KRB5_LIB_VARIABLE const char *krb5_defkeyname;
 831
 832
 833 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_acc_ops;
 834 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_fcc_ops;
 835 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_mcc_ops;
 836 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_kcm_ops;
 837 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_scc_ops;
 838
 839 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_fkt_ops;
 840 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_wrfkt_ops;
 841 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_javakt_ops;
 842 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_mkt_ops;
 843 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_akf_ops;
 844 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb4_fkt_ops;
 845 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_srvtab_fkt_ops;
 846 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_any_ops;
 847
 848 extern KRB5_LIB_VARIABLE const char *krb5_cc_type_api;
 849 extern KRB5_LIB_VARIABLE const char *krb5_cc_type_file;
 850 extern KRB5_LIB_VARIABLE const char *krb5_cc_type_memory;
 851 extern KRB5_LIB_VARIABLE const char *krb5_cc_type_kcm;
 852 extern KRB5_LIB_VARIABLE const char *krb5_cc_type_scc;
 853
 854 #endif /* __KRB5_H__ */
 855