/*

 * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#ifndef NATIVE_FUNC_H

#define NATIVE_FUNC_H

#include "gssapi.h"

#ifdef WIN32

#include <windows.h>

#define GETLIB(libName) LoadLibrary(libName)

#define GETFUNC(lib,name) GetProcAddress(lib,name)

#define CLOSELIB(lib) CloseHandle(lib)

#else

#include <dlfcn.h>

#define GETLIB(libName) dlopen(libName, RTLD_NOW)

#define GETFUNC(lib,name) dlsym(lib,name)

#define CLOSELIB(lib) dlclose(lib)

#endif

#ifndef TRUE

#define TRUE    1

#endif

#ifndef FALSE

#define FALSE   0

#endif

int loadNative(const char *libName);

/* function pointer definitions */

typedef OM_uint32 (*RELEASE_NAME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_name_t *name);

typedef OM_uint32 (*IMPORT_NAME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_buffer_t input_name_buffer,

                                gss_const_OID input_name_type,

                                gss_name_t *output_name);

typedef OM_uint32 (*COMPARE_NAME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_name_t name1,

                                gss_const_name_t name2,

                                int *name_equal);

typedef OM_uint32 (*CANONICALIZE_NAME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_name_t input_name,

                                gss_const_OID mech_type,

                                gss_name_t *output_name);

typedef OM_uint32 (*EXPORT_NAME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_name_t input_name,

                                gss_buffer_t exported_name);

typedef OM_uint32 (*DISPLAY_NAME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_name_t input_name,

                                gss_buffer_t output_name_buffer,

                                gss_OID *output_name_type);

typedef OM_uint32 (*ACQUIRE_CRED_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_name_t desired_name,

                                OM_uint32 time_req,

                                gss_const_OID_set desired_mech,

                                gss_cred_usage_t cred_usage,

                                gss_cred_id_t *output_cred_handle,

                                gss_OID_set *actual_mechs,

                                OM_uint32 *time_rec);

typedef OM_uint32 (*RELEASE_CRED_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_cred_id_t *cred_handle);

typedef OM_uint32 (*INQUIRE_CRED_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_cred_id_t cred_handle,

                                gss_name_t *name,

                                OM_uint32 *lifetime,

                                gss_cred_usage_t *cred_usage,

                                gss_OID_set *mechanisms);

typedef OM_uint32 (*IMPORT_SEC_CONTEXT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_buffer_t interprocess_token,

                                gss_ctx_id_t *context_handle);

typedef OM_uint32 (*INIT_SEC_CONTEXT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_cred_id_t initiator_cred_handle,

                                gss_ctx_id_t *context_handle,

                                gss_const_name_t target_name,

                                gss_const_OID mech_type,

                                OM_uint32 req_flags,

                                OM_uint32 time_req,

                                gss_const_channel_bindings_t input_chan_bindings,

                                gss_const_buffer_t input_token,

                                gss_OID *actual_mech_type,

                                gss_buffer_t output_token,

                                OM_uint32 *ret_flags,

                                OM_uint32 *time_rec);

typedef OM_uint32 (*ACCEPT_SEC_CONTEXT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_ctx_id_t *context_handle,

                                gss_const_cred_id_t acceptor_cred_handle,

                                gss_const_buffer_t input_token,

                                gss_const_channel_bindings_t input_chan_bindings,

                                gss_name_t *src_name,

                                gss_OID *mech_type,

                                gss_buffer_t output_token,

                                OM_uint32 *ret_flags,

                                OM_uint32 *time_rec,

                                gss_cred_id_t *delegated_cred_handle);

typedef OM_uint32 (*INQUIRE_CONTEXT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                gss_name_t *src_name,

                                gss_name_t *targ_name,

                                OM_uint32 *lifetime_rec,

                                gss_OID *mech_type,

                                OM_uint32 *ctx_flags,

                                int *locally_initiated,

                                int *open);

typedef OM_uint32 (*DELETE_SEC_CONTEXT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_ctx_id_t *context_handle,

                                gss_buffer_t output_token);

typedef OM_uint32 (*CONTEXT_TIME_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                OM_uint32 *time_rec);

typedef OM_uint32 (*WRAP_SIZE_LIMIT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                int conf_req_flag,

                                gss_qop_t qop_req,

                                OM_uint32 req_output_size,

                                OM_uint32 *max_input_size);

typedef OM_uint32 (*EXPORT_SEC_CONTEXT_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_ctx_id_t *context_handle,

                                gss_buffer_t interprocess_token);

typedef OM_uint32 (*GET_MIC_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                gss_qop_t qop_req,

                                gss_const_buffer_t message_buffer,

                                gss_buffer_t msg_token);

typedef OM_uint32 (*VERIFY_MIC_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                gss_const_buffer_t message_buffer,

                                gss_const_buffer_t token_buffer,

                                gss_qop_t *qop_state);

typedef OM_uint32 (*WRAP_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                int conf_req_flag,

                                gss_qop_t qop_req,

                                gss_const_buffer_t input_message_buffer,

                                int *conf_state,

                                gss_buffer_t output_message_buffer);

typedef OM_uint32 (*UNWRAP_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_ctx_id_t context_handle,

                                gss_const_buffer_t input_message_buffer,

                                gss_buffer_t output_message_buffer,

                                int *conf_state,

                                gss_qop_t *qop_state);

typedef OM_uint32 (*INDICATE_MECHS_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_OID_set *mech_set);

typedef OM_uint32 (*INQUIRE_NAMES_FOR_MECH_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_OID mechanism,

                                gss_OID_set *name_types);

typedef OM_uint32 (*ADD_OID_SET_MEMBER_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_const_OID member_oid,

                                gss_OID_set *oid_set);

typedef OM_uint32 (*DISPLAY_STATUS_FN_PTR)

                                (OM_uint32 *minor_status,

                                OM_uint32 status_value,

                                int status_type,

                                gss_const_OID mech_type,

                                OM_uint32 *message_context,

                                gss_buffer_t status_string);

typedef OM_uint32 (*CREATE_EMPTY_OID_SET_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_OID_set *oid_set);

typedef OM_uint32 (*RELEASE_OID_SET_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_OID_set *set);

typedef OM_uint32 (*RELEASE_BUFFER_FN_PTR)

                                (OM_uint32 *minor_status,

                                gss_buffer_t buffer);

/* dynamically resolved functions from gss library */

typedef struct GSS_FUNCTION_TABLE {

    gss_OID_set                         mechs;

    RELEASE_NAME_FN_PTR                 releaseName;

    IMPORT_NAME_FN_PTR                  importName;

    COMPARE_NAME_FN_PTR                 compareName;

    CANONICALIZE_NAME_FN_PTR            canonicalizeName;

    EXPORT_NAME_FN_PTR                  exportName;

    DISPLAY_NAME_FN_PTR                 displayName;

    ACQUIRE_CRED_FN_PTR                 acquireCred;

    RELEASE_CRED_FN_PTR                 releaseCred;

    INQUIRE_CRED_FN_PTR                 inquireCred;

    IMPORT_SEC_CONTEXT_FN_PTR           importSecContext;

    INIT_SEC_CONTEXT_FN_PTR             initSecContext;

    ACCEPT_SEC_CONTEXT_FN_PTR           acceptSecContext;

    INQUIRE_CONTEXT_FN_PTR              inquireContext;

    DELETE_SEC_CONTEXT_FN_PTR           deleteSecContext;

    CONTEXT_TIME_FN_PTR                 contextTime;

    WRAP_SIZE_LIMIT_FN_PTR              wrapSizeLimit;

    EXPORT_SEC_CONTEXT_FN_PTR           exportSecContext;

    GET_MIC_FN_PTR                      getMic;

    VERIFY_MIC_FN_PTR                   verifyMic;

    WRAP_FN_PTR                         wrap;

    UNWRAP_FN_PTR                       unwrap;

    INDICATE_MECHS_FN_PTR               indicateMechs;

    INQUIRE_NAMES_FOR_MECH_FN_PTR       inquireNamesForMech;

    ADD_OID_SET_MEMBER_FN_PTR           addOidSetMember;

    DISPLAY_STATUS_FN_PTR               displayStatus;

    CREATE_EMPTY_OID_SET_FN_PTR         createEmptyOidSet;

    RELEASE_OID_SET_FN_PTR              releaseOidSet;

    RELEASE_BUFFER_FN_PTR               releaseBuffer;

} GSS_FUNCTION_TABLE;

typedef GSS_FUNCTION_TABLE *GSS_FUNCTION_TABLE_PTR;

/* global GSS function table */

GSS_FUNCTION_TABLE_PTR ftab;

#endif