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/**
* Copyright (c) 2006-2009 Apple Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
#include <gssapi/gssapi.h>
#include <gssapi/gssapi_generic.h>
#include <gssapi/gssapi_krb5.h>
#define krb5_get_err_text(context,code) error_message(code)
#define AUTH_GSS_ERROR -1
#define AUTH_GSS_COMPLETE 1
#define AUTH_GSS_CONTINUE 0
#define GSS_AUTH_P_NONE 1
#define GSS_AUTH_P_INTEGRITY 2
#define GSS_AUTH_P_PRIVACY 4
typedef struct {
gss_ctx_id_t context;
gss_name_t server_name;
long int gss_flags;
char* username;
char* response;
} gss_client_state;
typedef struct {
gss_ctx_id_t context;
gss_name_t server_name;
gss_name_t client_name;
gss_cred_id_t server_creds;
gss_cred_id_t client_creds;
char* username;
char* targetname;
char* response;
} gss_server_state;
char* server_principal_details(const char* service, const char* hostname);
int authenticate_gss_client_init(const char* service, long int gss_flags, gss_client_state* state);
int authenticate_gss_client_clean(gss_client_state *state);
int authenticate_gss_client_step(gss_client_state *state, const char *challenge);
int authenticate_gss_client_unwrap(gss_client_state* state, const char* challenge);
int authenticate_gss_client_wrap(gss_client_state* state, const char* challenge, const char* user);
int authenticate_gss_server_init(const char* service, gss_server_state* state);
int authenticate_gss_server_clean(gss_server_state *state);
int authenticate_gss_server_step(gss_server_state *state, const char *challenge);
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