lib/krb5/krb5.h

   1 /*
   2  * Copyright (c) 1997 - 2002 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 typedef octet_string krb5_data;
  73
  74 struct krb5_crypto_data;
  75 typedef struct krb5_crypto_data *krb5_crypto;
  76
  77 typedef CKSUMTYPE krb5_cksumtype;
  78
  79 typedef Checksum krb5_checksum;
  80
  81 typedef ENCTYPE krb5_enctype;
  82
  83 /* alternative names */
  84 enum {
  85     ENCTYPE_NULL                = ETYPE_NULL,
  86     ENCTYPE_DES_CBC_CRC         = ETYPE_DES_CBC_CRC,
  87     ENCTYPE_DES_CBC_MD4         = ETYPE_DES_CBC_MD4,
  88     ENCTYPE_DES_CBC_MD5         = ETYPE_DES_CBC_MD5,
  89     ENCTYPE_DES3_CBC_MD5        = ETYPE_DES3_CBC_MD5,
  90     ENCTYPE_OLD_DES3_CBC_SHA1   = ETYPE_OLD_DES3_CBC_SHA1,
  91     ENCTYPE_SIGN_DSA_GENERATE   = ETYPE_SIGN_DSA_GENERATE,
  92     ENCTYPE_ENCRYPT_RSA_PRIV    = ETYPE_ENCRYPT_RSA_PRIV,
  93     ENCTYPE_ENCRYPT_RSA_PUB     = ETYPE_ENCRYPT_RSA_PUB,
  94     ENCTYPE_DES3_CBC_SHA1       = ETYPE_DES3_CBC_SHA1,
  95     ENCTYPE_ARCFOUR_HMAC_MD5    = ETYPE_ARCFOUR_HMAC_MD5,
  96     ENCTYPE_ARCFOUR_HMAC_MD5_56 = ETYPE_ARCFOUR_HMAC_MD5_56,
  97     ENCTYPE_ENCTYPE_PK_CROSS    = ETYPE_ENCTYPE_PK_CROSS,
  98     ENCTYPE_DES_CBC_NONE        = ETYPE_DES_CBC_NONE,
  99     ENCTYPE_DES3_CBC_NONE       = ETYPE_DES3_CBC_NONE,
 100     ENCTYPE_DES_CFB64_NONE      = ETYPE_DES_CFB64_NONE,
 101     ENCTYPE_DES_PCBC_NONE       = ETYPE_DES_PCBC_NONE
 102 };
 103
 104 typedef PADATA_TYPE krb5_preauthtype;
 105
 106 typedef enum krb5_key_usage {
 107     KRB5_KU_PA_ENC_TIMESTAMP = 1,
 108     /* AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the
 109        client key (section 5.4.1) */
 110     KRB5_KU_TICKET = 2,
 111     /* AS-REP Ticket and TGS-REP Ticket (includes tgs session key or
 112        application session key), encrypted with the service key
 113        (section 5.4.2) */
 114     KRB5_KU_AS_REP_ENC_PART = 3,
 115     /* AS-REP encrypted part (includes tgs session key or application
 116        session key), encrypted with the client key (section 5.4.2) */
 117     KRB5_KU_TGS_REQ_AUTH_DAT_SESSION = 4,
 118     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 119        session key (section 5.4.1) */
 120     KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY = 5,
 121     /* TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with the tgs
 122           authenticator subkey (section 5.4.1) */
 123     KRB5_KU_TGS_REQ_AUTH_CKSUM = 6,
 124     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum, keyed
 125        with the tgs session key (sections 5.3.2, 5.4.1) */
 126     KRB5_KU_TGS_REQ_AUTH = 7,
 127     /* TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes tgs
 128        authenticator subkey), encrypted with the tgs session key
 129        (section 5.3.2) */
 130     KRB5_KU_TGS_REP_ENC_PART_SESSION = 8,
 131     /* TGS-REP encrypted part (includes application session key),
 132        encrypted with the tgs session key (section 5.4.2) */
 133     KRB5_KU_TGS_REP_ENC_PART_SUB_KEY = 9,
 134     /* TGS-REP encrypted part (includes application session key),
 135        encrypted with the tgs authenticator subkey (section 5.4.2) */
 136     KRB5_KU_AP_REQ_AUTH_CKSUM = 10,
 137     /* AP-REQ Authenticator cksum, keyed with the application session
 138        key (section 5.3.2) */
 139     KRB5_KU_AP_REQ_AUTH = 11,
 140     /* AP-REQ Authenticator (includes application authenticator
 141        subkey), encrypted with the application session key (section
 142        5.3.2) */
 143     KRB5_KU_AP_REQ_ENC_PART = 12,
 144     /* AP-REP encrypted part (includes application session subkey),
 145        encrypted with the application session key (section 5.5.2) */
 146     KRB5_KU_KRB_PRIV = 13,
 147     /* KRB-PRIV encrypted part, encrypted with a key chosen by the
 148        application (section 5.7.1) */
 149     KRB5_KU_KRB_CRED = 14,
 150     /* KRB-CRED encrypted part, encrypted with a key chosen by the
 151        application (section 5.8.1) */
 152     KRB5_KU_KRB_SAFE_CKSUM = 15,
 153     /* KRB-SAFE cksum, keyed with a key chosen by the application
 154        (section 5.6.1) */
 155     KRB5_KU_OTHER_ENCRYPTED = 16,
 156     /* Data which is defined in some specification outside of
 157        Kerberos to be encrypted using an RFC1510 encryption type. */
 158     KRB5_KU_OTHER_CKSUM = 17,
 159     /* Data which is defined in some specification outside of
 160        Kerberos to be checksummed using an RFC1510 checksum type. */
 161     KRB5_KU_KRB_ERROR = 18,
 162     /* Krb-error checksum */
 163     KRB5_KU_AD_KDC_ISSUED = 19,
 164     /* AD-KDCIssued checksum */
 165     KRB5_KU_MANDATORY_TICKET_EXTENSION = 20,
 166     /* Checksum for Mandatory Ticket Extensions */
 167     KRB5_KU_AUTH_DATA_TICKET_EXTENSION = 21,
 168     /* Checksum in Authorization Data in Ticket Extensions */
 169     KRB5_KU_USAGE_SEAL = 22,
 170     /* seal in GSSAPI krb5 mechanism */
 171     KRB5_KU_USAGE_SIGN = 23,
 172     /* sign in GSSAPI krb5 mechanism */
 173     KRB5_KU_USAGE_SEQ = 24
 174     /* SEQ in GSSAPI krb5 mechanism */
 175 } krb5_key_usage;
 176
 177 typedef krb5_key_usage krb5_keyusage;
 178
 179 typedef enum krb5_salttype {
 180     KRB5_PW_SALT = KRB5_PADATA_PW_SALT,
 181     KRB5_AFS3_SALT = KRB5_PADATA_AFS3_SALT
 182 }krb5_salttype;
 183
 184 typedef struct krb5_salt {
 185     krb5_salttype salttype;
 186     krb5_data saltvalue;
 187 } krb5_salt;
 188
 189 typedef ETYPE_INFO krb5_preauthinfo;
 190
 191 typedef struct {
 192     krb5_preauthtype type;
 193     krb5_preauthinfo info; /* list of preauthinfo for this type */
 194 } krb5_preauthdata_entry;
 195
 196 typedef struct krb5_preauthdata {
 197     unsigned len;
 198     krb5_preauthdata_entry *val;
 199 }krb5_preauthdata;
 200
 201 typedef enum krb5_address_type {
 202     KRB5_ADDRESS_INET     =   2,
 203     KRB5_ADDRESS_INET6    =  24,
 204     KRB5_ADDRESS_ADDRPORT = 256,
 205     KRB5_ADDRESS_IPPORT   = 257
 206 } krb5_address_type;
 207
 208 enum {
 209   AP_OPTS_USE_SESSION_KEY = 1,
 210   AP_OPTS_MUTUAL_REQUIRED = 2,
 211   AP_OPTS_USE_SUBKEY = 4                /* library internal */
 212 };
 213
 214 typedef HostAddress krb5_address;
 215
 216 typedef HostAddresses krb5_addresses;
 217
 218 typedef enum krb5_keytype {
 219     KEYTYPE_NULL        = 0,
 220     KEYTYPE_DES         = 1,
 221     KEYTYPE_DES3        = 7,
 222     KEYTYPE_AES128      = 17,
 223     KEYTYPE_AES256      = 18,
 224     KEYTYPE_ARCFOUR     = 23,
 225     KEYTYPE_ARCFOUR_56  = 24
 226 } krb5_keytype;
 227
 228 typedef EncryptionKey krb5_keyblock;
 229
 230 typedef AP_REQ krb5_ap_req;
 231
 232 struct krb5_cc_ops;
 233
 234 #define KRB5_DEFAULT_CCFILE_ROOT "/tmp/krb5cc_"
 235
 236 #define KRB5_DEFAULT_CCROOT "FILE:" KRB5_DEFAULT_CCFILE_ROOT
 237
 238 #define KRB5_ACCEPT_NULL_ADDRESSES(C)                                    \
 239     krb5_config_get_bool_default((C), NULL, TRUE,                        \
 240                                  "libdefaults", "accept_null_addresses", \
 241                                  NULL)
 242
 243 typedef void *krb5_cc_cursor;
 244
 245 typedef struct krb5_ccache_data {
 246     const struct krb5_cc_ops *ops;
 247     krb5_data data;
 248 }krb5_ccache_data;
 249
 250 typedef struct krb5_ccache_data *krb5_ccache;
 251
 252 typedef struct krb5_context_data *krb5_context;
 253
 254 typedef Realm krb5_realm;
 255 typedef const char *krb5_const_realm; /* stupid language */
 256
 257 #define krb5_realm_length(r) strlen(r)
 258 #define krb5_realm_data(r) (r)
 259
 260 typedef Principal krb5_principal_data;
 261 typedef struct Principal *krb5_principal;
 262 typedef const struct Principal *krb5_const_principal;
 263
 264 typedef time_t krb5_deltat;
 265 typedef time_t krb5_timestamp;
 266
 267 typedef struct krb5_times {
 268   krb5_timestamp authtime;
 269   krb5_timestamp starttime;
 270   krb5_timestamp endtime;
 271   krb5_timestamp renew_till;
 272 } krb5_times;
 273
 274 typedef union {
 275     TicketFlags b;
 276     krb5_flags i;
 277 } krb5_ticket_flags;
 278
 279 /* options for krb5_get_in_tkt() */
 280 #define KDC_OPT_FORWARDABLE             (1 << 1)
 281 #define KDC_OPT_FORWARDED               (1 << 2)
 282 #define KDC_OPT_PROXIABLE               (1 << 3)
 283 #define KDC_OPT_PROXY                   (1 << 4)
 284 #define KDC_OPT_ALLOW_POSTDATE          (1 << 5)
 285 #define KDC_OPT_POSTDATED               (1 << 6)
 286 #define KDC_OPT_RENEWABLE               (1 << 8)
 287 #define KDC_OPT_REQUEST_ANONYMOUS       (1 << 14)
 288 #define KDC_OPT_DISABLE_TRANSITED_CHECK (1 << 26)
 289 #define KDC_OPT_RENEWABLE_OK            (1 << 27)
 290 #define KDC_OPT_ENC_TKT_IN_SKEY         (1 << 28)
 291 #define KDC_OPT_RENEW                   (1 << 30)
 292 #define KDC_OPT_VALIDATE                (1 << 31)
 293
 294 typedef union {
 295     KDCOptions b;
 296     krb5_flags i;
 297 } krb5_kdc_flags;
 298
 299 /* flags for krb5_verify_ap_req */
 300
 301 #define KRB5_VERIFY_AP_REQ_IGNORE_INVALID       (1 << 0)
 302
 303 #define KRB5_GC_CACHED                  (1U << 0)
 304 #define KRB5_GC_USER_USER               (1U << 1)
 305
 306 /* constants for compare_creds (and cc_retrieve_cred) */
 307 #define KRB5_TC_DONT_MATCH_REALM        (1U << 31)
 308 #define KRB5_TC_MATCH_KEYTYPE           (1U << 30)
 309
 310 typedef AuthorizationData krb5_authdata;
 311
 312 typedef KRB_ERROR krb5_error;
 313
 314 typedef struct krb5_creds {
 315     krb5_principal client;
 316     krb5_principal server;
 317     krb5_keyblock session;
 318     krb5_times times;
 319     krb5_data ticket;
 320     krb5_data second_ticket;
 321     krb5_authdata authdata;
 322     krb5_addresses addresses;
 323     krb5_ticket_flags flags;
 324 } krb5_creds;
 325
 326 typedef struct krb5_cc_ops {
 327     const char *prefix;
 328     const char* (*get_name)(krb5_context, krb5_ccache);
 329     krb5_error_code (*resolve)(krb5_context, krb5_ccache *, const char *);
 330     krb5_error_code (*gen_new)(krb5_context, krb5_ccache *);
 331     krb5_error_code (*init)(krb5_context, krb5_ccache, krb5_principal);
 332     krb5_error_code (*destroy)(krb5_context, krb5_ccache);
 333     krb5_error_code (*close)(krb5_context, krb5_ccache);
 334     krb5_error_code (*store)(krb5_context, krb5_ccache, krb5_creds*);
 335     krb5_error_code (*retrieve)(krb5_context, krb5_ccache,
 336                                 krb5_flags, krb5_creds*, krb5_creds);
 337     krb5_error_code (*get_princ)(krb5_context, krb5_ccache, krb5_principal*);
 338     krb5_error_code (*get_first)(krb5_context, krb5_ccache, krb5_cc_cursor *);
 339     krb5_error_code (*get_next)(krb5_context, krb5_ccache,
 340                                 krb5_cc_cursor*, krb5_creds*);
 341     krb5_error_code (*end_get)(krb5_context, krb5_ccache, krb5_cc_cursor*);
 342     krb5_error_code (*remove_cred)(krb5_context, krb5_ccache,
 343                                    krb5_flags, krb5_creds*);
 344     krb5_error_code (*set_flags)(krb5_context, krb5_ccache, krb5_flags);
 345     int (*get_version)(krb5_context, krb5_ccache);
 346 } krb5_cc_ops;
 347
 348 struct krb5_log_facility;
 349
 350 struct krb5_config_binding {
 351     enum { krb5_config_string, krb5_config_list } type;
 352     char *name;
 353     struct krb5_config_binding *next;
 354     union {
 355         char *string;
 356         struct krb5_config_binding *list;
 357         void *generic;
 358     } u;
 359 };
 360
 361 typedef struct krb5_config_binding krb5_config_binding;
 362
 363 typedef krb5_config_binding krb5_config_section;
 364
 365 typedef struct krb5_context_data {
 366     krb5_enctype *etypes;
 367     krb5_enctype *etypes_des;
 368     char **default_realms;
 369     time_t max_skew;
 370     time_t kdc_timeout;
 371     unsigned max_retries;
 372     int32_t kdc_sec_offset;
 373     int32_t kdc_usec_offset;
 374     krb5_config_section *cf;
 375     struct et_list *et_list;
 376     struct krb5_log_facility *warn_dest;
 377     krb5_cc_ops *cc_ops;
 378     int num_cc_ops;
 379     const char *http_proxy;
 380     const char *time_fmt;
 381     krb5_boolean log_utc;
 382     const char *default_keytab;
 383     const char *default_keytab_modify;
 384     krb5_boolean use_admin_kdc;
 385     krb5_addresses *extra_addresses;
 386     krb5_boolean scan_interfaces;       /* `ifconfig -a' */
 387     krb5_boolean srv_lookup;            /* do SRV lookups */
 388     krb5_boolean srv_try_txt;           /* try TXT records also */
 389     int32_t fcache_vno;                 /* create cache files w/ this
 390                                            version */
 391     int num_kt_types;                   /* # of registered keytab types */
 392     struct krb5_keytab_data *kt_types;  /* registered keytab types */
 393     const char *date_fmt;
 394     char *error_string;
 395     char error_buf[256];
 396     krb5_addresses *ignore_addresses;
 397     char *default_cc_name;
 398 } krb5_context_data;
 399
 400 typedef struct krb5_ticket {
 401     EncTicketPart ticket;
 402     krb5_principal client;
 403     krb5_principal server;
 404 } krb5_ticket;
 405
 406 typedef Authenticator krb5_authenticator_data;
 407
 408 typedef krb5_authenticator_data *krb5_authenticator;
 409
 410 struct krb5_rcache_data;
 411 typedef struct krb5_rcache_data *krb5_rcache;
 412 typedef Authenticator krb5_donot_replay;
 413
 414 #define KRB5_STORAGE_HOST_BYTEORDER                     0x01 /* old */
 415 #define KRB5_STORAGE_PRINCIPAL_WRONG_NUM_COMPONENTS     0x02
 416 #define KRB5_STORAGE_PRINCIPAL_NO_NAME_TYPE             0x04
 417 #define KRB5_STORAGE_KEYBLOCK_KEYTYPE_TWICE             0x08
 418 #define KRB5_STORAGE_BYTEORDER_MASK                     0x60
 419 #define KRB5_STORAGE_BYTEORDER_BE                       0x00 /* default */
 420 #define KRB5_STORAGE_BYTEORDER_LE                       0x20
 421 #define KRB5_STORAGE_BYTEORDER_HOST                     0x40
 422
 423 struct krb5_storage_data;
 424 typedef struct krb5_storage_data krb5_storage;
 425
 426 typedef struct krb5_keytab_entry {
 427     krb5_principal principal;
 428     krb5_kvno vno;
 429     krb5_keyblock keyblock;
 430     u_int32_t timestamp;
 431 } krb5_keytab_entry;
 432
 433 typedef struct krb5_kt_cursor {
 434     int fd;
 435     krb5_storage *sp;
 436     void *data;
 437 } krb5_kt_cursor;
 438
 439 struct krb5_keytab_data;
 440
 441 typedef struct krb5_keytab_data *krb5_keytab;
 442
 443 #define KRB5_KT_PREFIX_MAX_LEN  30
 444
 445 struct krb5_keytab_data {
 446     const char *prefix;
 447     krb5_error_code (*resolve)(krb5_context, const char*, krb5_keytab);
 448     krb5_error_code (*get_name)(krb5_context, krb5_keytab, char*, size_t);
 449     krb5_error_code (*close)(krb5_context, krb5_keytab);
 450     krb5_error_code (*get)(krb5_context, krb5_keytab, krb5_const_principal,
 451                            krb5_kvno, krb5_enctype, krb5_keytab_entry*);
 452     krb5_error_code (*start_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 453     krb5_error_code (*next_entry)(krb5_context, krb5_keytab,
 454                                   krb5_keytab_entry*, krb5_kt_cursor*);
 455     krb5_error_code (*end_seq_get)(krb5_context, krb5_keytab, krb5_kt_cursor*);
 456     krb5_error_code (*add)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 457     krb5_error_code (*remove)(krb5_context, krb5_keytab, krb5_keytab_entry*);
 458     void *data;
 459     int32_t version;
 460 };
 461
 462 typedef struct krb5_keytab_data krb5_kt_ops;
 463
 464 struct krb5_keytab_key_proc_args {
 465     krb5_keytab keytab;
 466     krb5_principal principal;
 467 };
 468
 469 typedef struct krb5_keytab_key_proc_args krb5_keytab_key_proc_args;
 470
 471 typedef struct krb5_replay_data {
 472     krb5_timestamp timestamp;
 473     u_int32_t usec;
 474     u_int32_t seq;
 475 } krb5_replay_data;
 476
 477 /* flags for krb5_auth_con_setflags */
 478 enum {
 479     KRB5_AUTH_CONTEXT_DO_TIME      = 1,
 480     KRB5_AUTH_CONTEXT_RET_TIME     = 2,
 481     KRB5_AUTH_CONTEXT_DO_SEQUENCE  = 4,
 482     KRB5_AUTH_CONTEXT_RET_SEQUENCE = 8,
 483     KRB5_AUTH_CONTEXT_PERMIT_ALL   = 16
 484 };
 485
 486 /* flags for krb5_auth_con_genaddrs */
 487 enum {
 488     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR       = 1,
 489     KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR  = 3,
 490     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR      = 4,
 491     KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR = 12
 492 };
 493
 494 typedef struct krb5_auth_context_data {
 495     unsigned int flags;
 496
 497     krb5_address *local_address;
 498     krb5_address *remote_address;
 499     int16_t local_port;
 500     int16_t remote_port;
 501     krb5_keyblock *keyblock;
 502     krb5_keyblock *local_subkey;
 503     krb5_keyblock *remote_subkey;
 504
 505     u_int32_t local_seqnumber;
 506     u_int32_t remote_seqnumber;
 507
 508     krb5_authenticator authenticator;
 509
 510     krb5_pointer i_vector;
 511
 512     krb5_rcache rcache;
 513
 514     krb5_keytype keytype;       /* ¿requested key type ? */
 515     krb5_cksumtype cksumtype;   /* ¡requested checksum type! */
 516
 517 }krb5_auth_context_data, *krb5_auth_context;
 518
 519 typedef struct {
 520     KDC_REP kdc_rep;
 521     EncKDCRepPart enc_part;
 522     KRB_ERROR error;
 523 } krb5_kdc_rep;
 524
 525 extern const char *heimdal_version, *heimdal_long_version;
 526
 527 typedef void (*krb5_log_log_func_t)(const char*, const char*, void*);
 528 typedef void (*krb5_log_close_func_t)(void*);
 529
 530 typedef struct krb5_log_facility {
 531     const char *program;
 532     int len;
 533     struct facility *val;
 534 } krb5_log_facility;
 535
 536 typedef EncAPRepPart krb5_ap_rep_enc_part;
 537
 538 #define KRB5_RECVAUTH_IGNORE_VERSION 1
 539
 540 #define KRB5_SENDAUTH_VERSION "KRB5_SENDAUTH_V1.0"
 541
 542 #define KRB5_TGS_NAME_SIZE (6)
 543 #define KRB5_TGS_NAME ("krbtgt")
 544
 545 /* variables */
 546
 547 extern const char *krb5_config_file;
 548 extern const char *krb5_defkeyname;
 549
 550 typedef enum {
 551     KRB5_PROMPT_TYPE_PASSWORD           = 0x1,
 552     KRB5_PROMPT_TYPE_NEW_PASSWORD       = 0x2,
 553     KRB5_PROMPT_TYPE_NEW_PASSWORD_AGAIN = 0x3,
 554     KRB5_PROMPT_TYPE_PREAUTH            = 0x4
 555 } krb5_prompt_type;
 556
 557 typedef struct _krb5_prompt {
 558     const char *prompt;
 559     int hidden;
 560     krb5_data *reply;
 561     krb5_prompt_type type;
 562 } krb5_prompt;
 563
 564 typedef int (*krb5_prompter_fct)(krb5_context context,
 565                                  void *data,
 566                                  const char *name,
 567                                  const char *banner,
 568                                  int num_prompts,
 569                                  krb5_prompt prompts[]);
 570
 571 typedef krb5_error_code (*krb5_key_proc)(krb5_context context,
 572                                          krb5_enctype type,
 573                                          krb5_salt salt,
 574                                          krb5_const_pointer keyseed,
 575                                          krb5_keyblock **key);
 576 typedef krb5_error_code (*krb5_decrypt_proc)(krb5_context context,
 577                                              krb5_keyblock *key,
 578                                              krb5_key_usage usage,
 579                                              krb5_const_pointer decrypt_arg,
 580                                              krb5_kdc_rep *dec_rep);
 581
 582
 583 typedef struct _krb5_get_init_creds_opt {
 584     krb5_flags flags;
 585     krb5_deltat tkt_life;
 586     krb5_deltat renew_life;
 587     int forwardable;
 588     int proxiable;
 589     int anonymous;
 590     krb5_enctype *etype_list;
 591     int etype_list_length;
 592     krb5_addresses *address_list;
 593 #if 0 /* this is the MIT-way */
 594     krb5_address **address_list;
 595 #endif
 596     /* XXX the next three should not be used, as they may be
 597        removed later */
 598     krb5_preauthtype *preauth_list;
 599     int preauth_list_length;
 600     krb5_data *salt;
 601 } krb5_get_init_creds_opt;
 602
 603 #define KRB5_GET_INIT_CREDS_OPT_TKT_LIFE        0x0001
 604 #define KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE      0x0002
 605 #define KRB5_GET_INIT_CREDS_OPT_FORWARDABLE     0x0004
 606 #define KRB5_GET_INIT_CREDS_OPT_PROXIABLE       0x0008
 607 #define KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST      0x0010
 608 #define KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST    0x0020
 609 #define KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST    0x0040
 610 #define KRB5_GET_INIT_CREDS_OPT_SALT            0x0080
 611 #define KRB5_GET_INIT_CREDS_OPT_ANONYMOUS       0x0100
 612
 613 typedef struct _krb5_verify_init_creds_opt {
 614     krb5_flags flags;
 615     int ap_req_nofail;
 616 } krb5_verify_init_creds_opt;
 617
 618 #define KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL        0x0001
 619
 620 typedef struct krb5_verify_opt {
 621     unsigned int flags;
 622     krb5_ccache ccache;
 623     krb5_keytab keytab;
 624     krb5_boolean secure;
 625     const char *service;
 626 } krb5_verify_opt;
 627
 628 #define KRB5_VERIFY_LREALMS             1
 629 #define KRB5_VERIFY_NO_ADDRESSES        2
 630
 631 extern const krb5_cc_ops krb5_fcc_ops;
 632 extern const krb5_cc_ops krb5_mcc_ops;
 633
 634 extern const krb5_kt_ops krb5_fkt_ops;
 635 extern const krb5_kt_ops krb5_mkt_ops;
 636 extern const krb5_kt_ops krb5_akf_ops;
 637 extern const krb5_kt_ops krb4_fkt_ops;
 638 extern const krb5_kt_ops krb5_srvtab_fkt_ops;
 639 extern const krb5_kt_ops krb5_any_ops;
 640
 641 #define KRB5_KPASSWD_VERS_CHANGEPW      1
 642 #define KRB5_KPASSWD_VERS_SETPW         0xff80
 643
 644 #define KRB5_KPASSWD_SUCCESS    0
 645 #define KRB5_KPASSWD_MALFORMED  1
 646 #define KRB5_KPASSWD_HARDERROR  2
 647 #define KRB5_KPASSWD_AUTHERROR  3
 648 #define KRB5_KPASSWD_SOFTERROR  4
 649 #define KRB5_KPASSWD_ACCESSDENIED 5
 650 #define KRB5_KPASSWD_BAD_VERSION 6
 651 #define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
 652
 653 #define KPASSWD_PORT 464
 654
 655 /* types for the new krbhst interface */
 656 struct krb5_krbhst_data;
 657 typedef struct krb5_krbhst_data *krb5_krbhst_handle;
 658
 659 #define KRB5_KRBHST_KDC         1
 660 #define KRB5_KRBHST_ADMIN       2
 661 #define KRB5_KRBHST_CHANGEPW    3
 662 #define KRB5_KRBHST_KRB524      4
 663
 664 typedef struct krb5_krbhst_info {
 665     enum { KRB5_KRBHST_UDP,
 666            KRB5_KRBHST_TCP,
 667            KRB5_KRBHST_HTTP } proto;
 668     unsigned short port;
 669     unsigned short def_port;
 670     struct addrinfo *ai;
 671     struct krb5_krbhst_info *next;
 672     char hostname[1]; /* has to come last */
 673 } krb5_krbhst_info;
 674
 675
 676 struct credentials; /* this is to keep the compiler happy */
 677 struct getargs;
 678 struct sockaddr;
 679
 680 #include <krb5-protos.h>
 681
 682 #endif /* __KRB5_H__ */
 683