lib/gssapi/gssapi_mech.h

   1 /*-
   2  * Copyright (c) 2005 Doug Rabson
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/lib/libgssapi/mech_switch.h,v 1.1 2005/12/29 14:40:20 dfr Exp $
  27  */
  28
  29 #ifndef GSSAPI_MECH_H
  30 #define GSSAPI_MECH_H 1
  31
  32 #include <gssapi.h>
  33
  34 typedef OM_uint32 GSSAPI_CALLCONV _gss_acquire_cred_t
  35               (OM_uint32 *,            /* minor_status */
  36                const gss_name_t,       /* desired_name */
  37                OM_uint32,              /* time_req */
  38                const gss_OID_set,      /* desired_mechs */
  39                gss_cred_usage_t,       /* cred_usage */
  40                gss_cred_id_t *,        /* output_cred_handle */
  41                gss_OID_set *,          /* actual_mechs */
  42                OM_uint32 *             /* time_rec */
  43               );
  44
  45 typedef OM_uint32 GSSAPI_CALLCONV _gss_release_cred_t
  46               (OM_uint32 *,            /* minor_status */
  47                gss_cred_id_t *         /* cred_handle */
  48               );
  49
  50 typedef OM_uint32 GSSAPI_CALLCONV _gss_init_sec_context_t
  51               (OM_uint32 *,            /* minor_status */
  52                const gss_cred_id_t,    /* initiator_cred_handle */
  53                gss_ctx_id_t *,         /* context_handle */
  54                const gss_name_t,       /* target_name */
  55                const gss_OID,          /* mech_type */
  56                OM_uint32,              /* req_flags */
  57                OM_uint32,              /* time_req */
  58                const gss_channel_bindings_t,
  59                                        /* input_chan_bindings */
  60                const gss_buffer_t,     /* input_token */
  61                gss_OID *,              /* actual_mech_type */
  62                gss_buffer_t,           /* output_token */
  63                OM_uint32 *,            /* ret_flags */
  64                OM_uint32 *             /* time_rec */
  65               );
  66
  67 typedef OM_uint32 GSSAPI_CALLCONV _gss_accept_sec_context_t
  68               (OM_uint32 *,            /* minor_status */
  69                gss_ctx_id_t *,         /* context_handle */
  70                const gss_cred_id_t,    /* acceptor_cred_handle */
  71                const gss_buffer_t,     /* input_token_buffer */
  72                const gss_channel_bindings_t,
  73                                        /* input_chan_bindings */
  74                gss_name_t *,           /* src_name */
  75                gss_OID *,              /* mech_type */
  76                gss_buffer_t,           /* output_token */
  77                OM_uint32 *,            /* ret_flags */
  78                OM_uint32 *,            /* time_rec */
  79                gss_cred_id_t *         /* delegated_cred_handle */
  80               );
  81
  82 typedef OM_uint32 GSSAPI_CALLCONV _gss_process_context_token_t
  83               (OM_uint32 *,            /* minor_status */
  84                const gss_ctx_id_t,     /* context_handle */
  85                const gss_buffer_t      /* token_buffer */
  86               );
  87
  88 typedef OM_uint32 GSSAPI_CALLCONV _gss_delete_sec_context_t
  89               (OM_uint32 *,            /* minor_status */
  90                gss_ctx_id_t *,         /* context_handle */
  91                gss_buffer_t            /* output_token */
  92               );
  93
  94 typedef OM_uint32 GSSAPI_CALLCONV _gss_context_time_t
  95               (OM_uint32 *,            /* minor_status */
  96                const gss_ctx_id_t,     /* context_handle */
  97                OM_uint32 *             /* time_rec */
  98               );
  99
 100 typedef OM_uint32 GSSAPI_CALLCONV _gss_get_mic_t
 101               (OM_uint32 *,            /* minor_status */
 102                const gss_ctx_id_t,     /* context_handle */
 103                gss_qop_t,              /* qop_req */
 104                const gss_buffer_t,     /* message_buffer */
 105                gss_buffer_t            /* message_token */
 106               );
 107
 108 typedef OM_uint32 GSSAPI_CALLCONV _gss_verify_mic_t
 109               (OM_uint32 *,            /* minor_status */
 110                const gss_ctx_id_t,     /* context_handle */
 111                const gss_buffer_t,     /* message_buffer */
 112                const gss_buffer_t,     /* token_buffer */
 113                gss_qop_t *             /* qop_state */
 114               );
 115
 116 typedef OM_uint32 GSSAPI_CALLCONV _gss_wrap_t
 117               (OM_uint32 *,            /* minor_status */
 118                const gss_ctx_id_t,     /* context_handle */
 119                int,                    /* conf_req_flag */
 120                gss_qop_t,              /* qop_req */
 121                const gss_buffer_t,     /* input_message_buffer */
 122                int *,                  /* conf_state */
 123                gss_buffer_t            /* output_message_buffer */
 124               );
 125
 126 typedef OM_uint32 GSSAPI_CALLCONV _gss_unwrap_t
 127               (OM_uint32 *,            /* minor_status */
 128                const gss_ctx_id_t,     /* context_handle */
 129                const gss_buffer_t,     /* input_message_buffer */
 130                gss_buffer_t,           /* output_message_buffer */
 131                int *,                  /* conf_state */
 132                gss_qop_t *             /* qop_state */
 133               );
 134
 135 typedef OM_uint32 GSSAPI_CALLCONV _gss_display_status_t
 136               (OM_uint32 *,            /* minor_status */
 137                OM_uint32,              /* status_value */
 138                int,                    /* status_type */
 139                const gss_OID,          /* mech_type */
 140                OM_uint32 *,            /* message_context */
 141                gss_buffer_t            /* status_string */
 142               );
 143
 144 typedef OM_uint32 GSSAPI_CALLCONV _gss_indicate_mechs_t
 145               (OM_uint32 *,            /* minor_status */
 146                gss_OID_set *           /* mech_set */
 147               );
 148
 149 typedef OM_uint32 GSSAPI_CALLCONV _gss_compare_name_t
 150               (OM_uint32 *,            /* minor_status */
 151                const gss_name_t,       /* name1 */
 152                const gss_name_t,       /* name2 */
 153                int *                   /* name_equal */
 154               );
 155
 156 typedef OM_uint32 GSSAPI_CALLCONV _gss_display_name_t
 157               (OM_uint32 *,            /* minor_status */
 158                const gss_name_t,       /* input_name */
 159                gss_buffer_t,           /* output_name_buffer */
 160                gss_OID *               /* output_name_type */
 161               );
 162
 163 typedef OM_uint32 GSSAPI_CALLCONV _gss_import_name_t
 164               (OM_uint32 *,            /* minor_status */
 165                const gss_buffer_t,     /* input_name_buffer */
 166                const gss_OID,          /* input_name_type */
 167                gss_name_t *            /* output_name */
 168               );
 169
 170 typedef OM_uint32 GSSAPI_CALLCONV _gss_export_name_t
 171               (OM_uint32 *,            /* minor_status */
 172                const gss_name_t,       /* input_name */
 173                gss_buffer_t            /* exported_name */
 174               );
 175
 176 typedef OM_uint32 GSSAPI_CALLCONV _gss_release_name_t
 177               (OM_uint32 *,            /* minor_status */
 178                gss_name_t *            /* input_name */
 179               );
 180
 181 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_cred_t
 182               (OM_uint32 *,            /* minor_status */
 183                const gss_cred_id_t,    /* cred_handle */
 184                gss_name_t *,           /* name */
 185                OM_uint32 *,            /* lifetime */
 186                gss_cred_usage_t *,     /* cred_usage */
 187                gss_OID_set *           /* mechanisms */
 188               );
 189
 190 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_context_t
 191               (OM_uint32 *,            /* minor_status */
 192                const gss_ctx_id_t,     /* context_handle */
 193                gss_name_t *,           /* src_name */
 194                gss_name_t *,           /* targ_name */
 195                OM_uint32 *,            /* lifetime_rec */
 196                gss_OID *,              /* mech_type */
 197                OM_uint32 *,            /* ctx_flags */
 198                int *,                  /* locally_initiated */
 199                int *                   /* open */
 200               );
 201
 202 typedef OM_uint32 GSSAPI_CALLCONV _gss_wrap_size_limit_t
 203               (OM_uint32 *,            /* minor_status */
 204                const gss_ctx_id_t,     /* context_handle */
 205                int,                    /* conf_req_flag */
 206                gss_qop_t,              /* qop_req */
 207                OM_uint32,              /* req_output_size */
 208                OM_uint32 *             /* max_input_size */
 209               );
 210
 211 typedef OM_uint32 GSSAPI_CALLCONV _gss_add_cred_t (
 212                OM_uint32 *,            /* minor_status */
 213                const gss_cred_id_t,    /* input_cred_handle */
 214                const gss_name_t,       /* desired_name */
 215                const gss_OID,          /* desired_mech */
 216                gss_cred_usage_t,       /* cred_usage */
 217                OM_uint32,              /* initiator_time_req */
 218                OM_uint32,              /* acceptor_time_req */
 219                gss_cred_id_t *,        /* output_cred_handle */
 220                gss_OID_set *,          /* actual_mechs */
 221                OM_uint32 *,            /* initiator_time_rec */
 222                OM_uint32 *             /* acceptor_time_rec */
 223               );
 224
 225 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_cred_by_mech_t (
 226                OM_uint32 *,            /* minor_status */
 227                const gss_cred_id_t,    /* cred_handle */
 228                const gss_OID,          /* mech_type */
 229                gss_name_t *,           /* name */
 230                OM_uint32 *,            /* initiator_lifetime */
 231                OM_uint32 *,            /* acceptor_lifetime */
 232                gss_cred_usage_t *      /* cred_usage */
 233               );
 234
 235 typedef OM_uint32 GSSAPI_CALLCONV _gss_export_sec_context_t (
 236                OM_uint32 *,            /* minor_status */
 237                gss_ctx_id_t *,         /* context_handle */
 238                gss_buffer_t            /* interprocess_token */
 239               );
 240
 241 typedef OM_uint32 GSSAPI_CALLCONV _gss_import_sec_context_t (
 242                OM_uint32 *,            /* minor_status */
 243                const gss_buffer_t,     /* interprocess_token */
 244                gss_ctx_id_t *          /* context_handle */
 245               );
 246
 247 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_names_for_mech_t (
 248                OM_uint32 *,            /* minor_status */
 249                const gss_OID,          /* mechanism */
 250                gss_OID_set *           /* name_types */
 251               );
 252
 253 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_mechs_for_name_t (
 254                OM_uint32 *,            /* minor_status */
 255                const gss_name_t,       /* input_name */
 256                gss_OID_set *           /* mech_types */
 257               );
 258
 259 typedef OM_uint32 GSSAPI_CALLCONV _gss_canonicalize_name_t (
 260                OM_uint32 *,            /* minor_status */
 261                const gss_name_t,       /* input_name */
 262                const gss_OID,          /* mech_type */
 263                gss_name_t *            /* output_name */
 264               );
 265
 266 typedef OM_uint32 GSSAPI_CALLCONV _gss_duplicate_name_t (
 267                OM_uint32 *,            /* minor_status */
 268                const gss_name_t,       /* src_name */
 269                gss_name_t *            /* dest_name */
 270               );
 271
 272 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_sec_context_by_oid (
 273                OM_uint32 *minor_status,
 274                const gss_ctx_id_t context_handle,
 275                const gss_OID desired_object,
 276                gss_buffer_set_t *data_set
 277               );
 278
 279 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_cred_by_oid (
 280                OM_uint32 *minor_status,
 281                const gss_cred_id_t cred,
 282                const gss_OID desired_object,
 283                gss_buffer_set_t *data_set
 284               );
 285
 286 typedef OM_uint32 GSSAPI_CALLCONV _gss_set_sec_context_option (
 287                OM_uint32 *minor_status,
 288                gss_ctx_id_t *cred_handle,
 289                const gss_OID desired_object,
 290                const gss_buffer_t value
 291               );
 292
 293 typedef OM_uint32 GSSAPI_CALLCONV _gss_set_cred_option (
 294                OM_uint32 *minor_status,
 295                gss_cred_id_t *cred_handle,
 296                const gss_OID desired_object,
 297                const gss_buffer_t value
 298               );
 299
 300
 301 typedef OM_uint32 GSSAPI_CALLCONV _gss_pseudo_random(
 302                OM_uint32 *minor_status,
 303                gss_ctx_id_t context,
 304                int prf_key,
 305                const gss_buffer_t prf_in,
 306                ssize_t desired_output_len,
 307                gss_buffer_t prf_out
 308               );
 309
 310 typedef OM_uint32 GSSAPI_CALLCONV
 311 _gss_wrap_iov_t(OM_uint32 *minor_status,
 312                 gss_ctx_id_t  context_handle,
 313                 int conf_req_flag,
 314                 gss_qop_t qop_req,
 315                 int * conf_state,
 316                 gss_iov_buffer_desc *iov,
 317                 int iov_count);
 318
 319 typedef OM_uint32 GSSAPI_CALLCONV
 320 _gss_unwrap_iov_t(OM_uint32 *minor_status,
 321                   gss_ctx_id_t context_handle,
 322                   int *conf_state,
 323                   gss_qop_t *qop_state,
 324                   gss_iov_buffer_desc *iov,
 325                   int iov_count);
 326
 327 typedef OM_uint32 GSSAPI_CALLCONV
 328 _gss_wrap_iov_length_t(OM_uint32 * minor_status,
 329                        gss_ctx_id_t context_handle,
 330                        int conf_req_flag,
 331                        gss_qop_t qop_req,
 332                        int *conf_state,
 333                        gss_iov_buffer_desc *iov,
 334                        int iov_count);
 335
 336 typedef OM_uint32 GSSAPI_CALLCONV
 337 _gss_store_cred_t(OM_uint32         *minor_status,
 338                   gss_cred_id_t     input_cred_handle,
 339                   gss_cred_usage_t  cred_usage,
 340                   const gss_OID     desired_mech,
 341                   OM_uint32         overwrite_cred,
 342                   OM_uint32         default_cred,
 343                   gss_OID_set       *elements_stored,
 344                   gss_cred_usage_t  *cred_usage_stored);
 345
 346 typedef OM_uint32 GSSAPI_CALLCONV
 347 _gss_export_cred_t(OM_uint32 *minor_status,
 348                    gss_cred_id_t cred_handle,
 349                    gss_buffer_t cred_token);
 350
 351 typedef OM_uint32 GSSAPI_CALLCONV
 352 _gss_import_cred_t(OM_uint32 * minor_status,
 353                    gss_buffer_t cred_token,
 354                    gss_cred_id_t * cred_handle);
 355
 356
 357 typedef OM_uint32 GSSAPI_CALLCONV
 358 _gss_acquire_cred_ext_t(OM_uint32 * /*minor_status */,
 359                         const gss_name_t /* desired_name */,
 360                         gss_const_OID /* credential_type */,
 361                         const void * /* credential_data */,
 362                         OM_uint32 /* time_req */,
 363                         gss_const_OID /* desired_mech */,
 364                         gss_cred_usage_t /* cred_usage */,
 365                         gss_cred_id_t * /* output_cred_handle */);
 366
 367 typedef void GSSAPI_CALLCONV
 368 _gss_iter_creds_t(OM_uint32 /* flags */,
 369                   void * /* userctx */,
 370                   void (* /*cred_iter */ )(void *, gss_OID, gss_cred_id_t));
 371
 372 typedef OM_uint32 GSSAPI_CALLCONV
 373 _gss_destroy_cred_t(OM_uint32 * /* minor_status */,
 374                     gss_cred_id_t * /* cred */);
 375
 376 typedef OM_uint32 GSSAPI_CALLCONV
 377 _gss_cred_hold_t(OM_uint32 * /* minor_status */,
 378                  gss_cred_id_t /* cred */);
 379
 380 typedef OM_uint32 GSSAPI_CALLCONV
 381 _gss_cred_unhold_t(OM_uint32 * /* minor_status */,
 382                    gss_cred_id_t /* cred */);
 383
 384 typedef OM_uint32 GSSAPI_CALLCONV
 385 _gss_cred_label_set_t(OM_uint32 * /* minor_status */,
 386                       gss_cred_id_t /* cred */,
 387                       const char * /* label */,
 388                       gss_buffer_t /* value */);
 389
 390 typedef OM_uint32 GSSAPI_CALLCONV
 391 _gss_cred_label_get_t(OM_uint32 * /* minor_status */,
 392                       gss_cred_id_t /* cred */,
 393                       const char * /* label */,
 394                       gss_buffer_t /* value */);
 395
 396 typedef OM_uint32 GSSAPI_CALLCONV _gss_display_name_ext_t (
 397                OM_uint32 *,            /* minor_status */
 398                gss_name_t,             /* name */
 399                gss_OID,                /* display_as_name_type */
 400                gss_buffer_t            /* display_name */
 401               );
 402
 403 typedef OM_uint32 GSSAPI_CALLCONV _gss_inquire_name_t (
 404                OM_uint32 *,            /* minor_status */
 405                gss_name_t,             /* name */
 406                int *,                  /* name_is_MN */
 407                gss_OID *,              /* MN_mech */
 408                gss_buffer_set_t *      /* attrs */
 409               );
 410
 411 typedef OM_uint32 GSSAPI_CALLCONV _gss_get_name_attribute_t (
 412                OM_uint32 *,           /* minor_status */
 413                gss_name_t,            /* name */
 414                gss_buffer_t,          /* attr */
 415                int *,                 /* authenticated */
 416                int *,                 /* complete */
 417                gss_buffer_t,          /* value */
 418                gss_buffer_t,          /* display_value */
 419                int *                  /* more */
 420             );
 421
 422 typedef OM_uint32 GSSAPI_CALLCONV _gss_set_name_attribute_t (
 423                OM_uint32 *,           /* minor_status */
 424                gss_name_t,            /* name */
 425                int,                   /* complete */
 426                gss_buffer_t,          /* attr */
 427                gss_buffer_t           /* value */
 428             );
 429
 430 typedef OM_uint32 GSSAPI_CALLCONV _gss_delete_name_attribute_t (
 431                OM_uint32 *,           /* minor_status */
 432                gss_name_t,            /* name */
 433                gss_buffer_t           /* attr */
 434             );
 435
 436 typedef OM_uint32 GSSAPI_CALLCONV _gss_export_name_composite_t (
 437                OM_uint32 *,           /* minor_status */
 438                gss_name_t,            /* name */
 439                gss_buffer_t           /* exp_composite_name */
 440             );
 441
 442 /*
 443  *
 444  */
 445
 446 typedef struct gss_mo_desc_struct gss_mo_desc;
 447
 448 typedef OM_uint32 GSSAPI_CALLCONV
 449 _gss_mo_init (OM_uint32 *, gss_OID, gss_mo_desc **, size_t *);
 450
 451
 452 struct gss_mo_desc_struct {
 453     gss_OID option;
 454     OM_uint32 flags;
 455 #define GSS_MO_MA               1
 456 #define GSS_MO_MA_CRITICAL      2
 457     const char *name;
 458     void *ctx;
 459     int (*get)(gss_const_OID, gss_mo_desc *, gss_buffer_t);
 460     int (*set)(gss_const_OID, gss_mo_desc *, int, gss_buffer_t);
 461 };
 462
 463 typedef OM_uint32 GSSAPI_CALLCONV _gss_pname_to_uid_t (
 464                OM_uint32 *,             /* minor_status */
 465                const gss_name_t,        /* name */
 466                const gss_OID,           /* mech_type */
 467                uid_t *                  /* uidOut */
 468               );
 469
 470 typedef OM_uint32 GSSAPI_CALLCONV _gss_authorize_localname_t (
 471                OM_uint32 *,             /* minor_status */
 472                const gss_name_t,        /* name */
 473                gss_const_buffer_t,      /* user */
 474                gss_const_OID            /* user_name_type */
 475               );
 476
 477 /* mechglue internal */
 478 struct gss_mech_compat_desc_struct;
 479
 480 #define GMI_VERSION 5
 481
 482 /* gm_flags */
 483 #define GM_USE_MG_CRED          1       /* uses mech glue credentials */
 484
 485 typedef struct gssapi_mech_interface_desc {
 486         unsigned                        gm_version;
 487         const char                      *gm_name;
 488         gss_OID_desc                    gm_mech_oid;
 489         unsigned                        gm_flags;
 490         _gss_acquire_cred_t             *gm_acquire_cred;
 491         _gss_release_cred_t             *gm_release_cred;
 492         _gss_init_sec_context_t         *gm_init_sec_context;
 493         _gss_accept_sec_context_t       *gm_accept_sec_context;
 494         _gss_process_context_token_t    *gm_process_context_token;
 495         _gss_delete_sec_context_t       *gm_delete_sec_context;
 496         _gss_context_time_t             *gm_context_time;
 497         _gss_get_mic_t                  *gm_get_mic;
 498         _gss_verify_mic_t               *gm_verify_mic;
 499         _gss_wrap_t                     *gm_wrap;
 500         _gss_unwrap_t                   *gm_unwrap;
 501         _gss_display_status_t           *gm_display_status;
 502         _gss_indicate_mechs_t           *gm_indicate_mechs;
 503         _gss_compare_name_t             *gm_compare_name;
 504         _gss_display_name_t             *gm_display_name;
 505         _gss_import_name_t              *gm_import_name;
 506         _gss_export_name_t              *gm_export_name;
 507         _gss_release_name_t             *gm_release_name;
 508         _gss_inquire_cred_t             *gm_inquire_cred;
 509         _gss_inquire_context_t          *gm_inquire_context;
 510         _gss_wrap_size_limit_t          *gm_wrap_size_limit;
 511         _gss_add_cred_t                 *gm_add_cred;
 512         _gss_inquire_cred_by_mech_t     *gm_inquire_cred_by_mech;
 513         _gss_export_sec_context_t       *gm_export_sec_context;
 514         _gss_import_sec_context_t       *gm_import_sec_context;
 515         _gss_inquire_names_for_mech_t   *gm_inquire_names_for_mech;
 516         _gss_inquire_mechs_for_name_t   *gm_inquire_mechs_for_name;
 517         _gss_canonicalize_name_t        *gm_canonicalize_name;
 518         _gss_duplicate_name_t           *gm_duplicate_name;
 519         _gss_inquire_sec_context_by_oid *gm_inquire_sec_context_by_oid;
 520         _gss_inquire_cred_by_oid        *gm_inquire_cred_by_oid;
 521         _gss_set_sec_context_option     *gm_set_sec_context_option;
 522         _gss_set_cred_option            *gm_set_cred_option;
 523         _gss_pseudo_random              *gm_pseudo_random;
 524         _gss_wrap_iov_t                 *gm_wrap_iov;
 525         _gss_unwrap_iov_t               *gm_unwrap_iov;
 526         _gss_wrap_iov_length_t          *gm_wrap_iov_length;
 527         _gss_store_cred_t               *gm_store_cred;
 528         _gss_export_cred_t              *gm_export_cred;
 529         _gss_import_cred_t              *gm_import_cred;
 530         _gss_acquire_cred_ext_t         *gm_acquire_cred_ext;
 531         _gss_iter_creds_t               *gm_iter_creds;
 532         _gss_destroy_cred_t             *gm_destroy_cred;
 533         _gss_cred_hold_t                *gm_cred_hold;
 534         _gss_cred_unhold_t              *gm_cred_unhold;
 535         _gss_cred_label_get_t           *gm_cred_label_get;
 536         _gss_cred_label_set_t           *gm_cred_label_set;
 537         gss_mo_desc                     *gm_mo;
 538         size_t                           gm_mo_num;
 539         _gss_pname_to_uid_t             *gm_pname_to_uid;
 540         _gss_authorize_localname_t      *gm_authorize_localname;
 541         _gss_display_name_ext_t         *gm_display_name_ext;
 542         _gss_inquire_name_t             *gm_inquire_name;
 543         _gss_get_name_attribute_t       *gm_get_name_attribute;
 544         _gss_set_name_attribute_t       *gm_set_name_attribute;
 545         _gss_delete_name_attribute_t    *gm_delete_name_attribute;
 546         _gss_export_name_composite_t    *gm_export_name_composite;
 547         struct gss_mech_compat_desc_struct  *gm_compat;
 548 } gssapi_mech_interface_desc, *gssapi_mech_interface;
 549
 550 gssapi_mech_interface
 551 __gss_get_mechanism(gss_const_OID /* oid */);
 552
 553 gssapi_mech_interface __gss_spnego_initialize(void);
 554 gssapi_mech_interface __gss_krb5_initialize(void);
 555 gssapi_mech_interface __gss_ntlm_initialize(void);
 556
 557 void            gss_mg_collect_error(gss_OID, OM_uint32, OM_uint32);
 558
 559 int _gss_mo_get_option_1(gss_const_OID, gss_mo_desc *, gss_buffer_t);
 560 int _gss_mo_get_option_0(gss_const_OID, gss_mo_desc *, gss_buffer_t);
 561 int _gss_mo_get_ctx_as_string(gss_const_OID, gss_mo_desc *, gss_buffer_t);
 562
 563 struct _gss_oid_name_table {
 564     gss_OID oid;
 565     const char *name;
 566     const char *short_desc;
 567     const char *long_desc;
 568 };
 569
 570 extern struct _gss_oid_name_table _gss_ont_mech[];
 571 extern struct _gss_oid_name_table _gss_ont_ma[];
 572
 573 /*
 574  * Extended credentials acqusition API, not to be exported until
 575  * it or something equivalent has been standardised.
 576  */
 577 extern gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_cred_password_oid_desc;
 578 #define GSS_C_CRED_PASSWORD (&__gss_c_cred_password_oid_desc)
 579
 580 extern gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_cred_certificate_oid_desc;
 581 #define GSS_C_CRED_CERTIFICATE (&__gss_c_cred_certificate_oid_desc)
 582
 583 OM_uint32 _gss_acquire_cred_ext
 584            (OM_uint32 * /*minor_status*/,
 585             const gss_name_t /*desired_name*/,
 586             gss_const_OID /*credential_type*/,
 587             const void * /*credential_data*/,
 588             OM_uint32 /*time_req*/,
 589             gss_const_OID /*desired_mech*/,
 590             gss_cred_usage_t /*cred_usage*/,
 591             gss_cred_id_t * /*output_cred_handle*/
 592            );
 593
 594 #endif /* GSSAPI_MECH_H */