This adds Kerberos mechanism support for:
 - composite principal name export/import
 - getting rudimentary name attributes from GSS names using
   gss_get_name_attribute():
    - all (raw) authorization data from the Ticket
    - all (raw) authorization data from the Authenticator
    - transit path
    - realm
    - component count
    - each component
 - gss_inquire_name()
 - gss_display_name_ext() (just for the hostbased service name type
                           though)
The test exercises almost all of the functionality, except for:
 - getting the PAC
 - getting authz-data from the Authenticator
 - getting the transit path
TBD (much) later:
 - amend test_context to do minimal name attribute checks as well
 - gss_set_name_attribute() (to request authz-data)
 - gss_delete_name_attribute()
 - getting specific authorization data elements via URN fragments (as
   opposed to all of them)
 - parsing the PAC, extracting SIDs (each one as a separate value)
 - some configurable local policy (?)
 - plugin interface for additional local policy
		
	
		
			
				
	
	
		
			226 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			226 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
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 * (Royal Institute of Technology, Stockholm, Sweden).
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * 3. Neither the name of the Institute nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/* $Id$ */
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#ifndef GSSAPI_KRB5_H_
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#define GSSAPI_KRB5_H_
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#include <gssapi.h>
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#include <gssapi/gssapi_oid.h>
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GSSAPI_CPP_START
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#if !defined(__GNUC__) && !defined(__attribute__)
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#define __attribute__(x)
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#endif
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#ifndef GSSKRB5_FUNCTION_DEPRECATED
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#define GSSKRB5_FUNCTION_DEPRECATED __attribute__((deprecated))
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#endif
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/*
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 * This is for kerberos5 names.
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 */
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extern gss_OID_desc GSSAPI_LIB_VARIABLE __gss_krb5_nt_principal_name_oid_desc;
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#define GSS_KRB5_NT_PRINCIPAL_NAME (&__gss_krb5_nt_principal_name_oid_desc)
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#define GSS_KRB5_NT_USER_NAME (&__gss_c_nt_user_name_oid_desc)
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#define GSS_KRB5_NT_MACHINE_UID_NAME (&__gss_c_nt_machine_uid_name_oid_desc)
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#define GSS_KRB5_NT_STRING_UID_NAME (&__gss_c_nt_string_uid_name_oid_desc)
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/* for compatibility with MIT api */
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#define gss_mech_krb5 GSS_KRB5_MECHANISM
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#define gss_krb5_nt_general_name GSS_KRB5_NT_PRINCIPAL_NAME
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/*
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 * kerberos mechanism specific functions
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 */
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struct krb5_keytab_data;
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struct krb5_ccache_data;
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struct Principal;
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_krb5_ccache_name(OM_uint32 * /*minor_status*/,
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		     const char * /*name */,
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		     const char ** /*out_name */);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gsskrb5_register_acceptor_identity
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        (const char * /*identity*/);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL krb5_gss_register_acceptor_identity
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	(const char * /*identity*/);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_krb5_copy_ccache
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	(OM_uint32 * /*minor*/,
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	 gss_cred_id_t /*cred*/,
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	 struct krb5_ccache_data * /*out*/);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_krb5_import_cred(OM_uint32 * /*minor*/,
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		     struct krb5_ccache_data * /*in*/,
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		     struct Principal * /*keytab_principal*/,
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		     struct krb5_keytab_data * /*keytab*/,
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		     gss_cred_id_t * /*out*/);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_krb5_get_tkt_flags
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	(OM_uint32 * /*minor*/,
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	 gss_ctx_id_t /*context_handle*/,
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	 OM_uint32 * /*tkt_flags*/);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_extract_authz_data_from_sec_context
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	(OM_uint32 * /*minor_status*/,
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	 gss_ctx_id_t /*context_handle*/,
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	 int /*ad_type*/,
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	 gss_buffer_t /*ad_data*/);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_set_dns_canonicalize(int);
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struct gsskrb5_send_to_kdc {
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    void *func;
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    void *ptr;
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};
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_set_send_to_kdc(struct gsskrb5_send_to_kdc *)
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    GSSKRB5_FUNCTION_DEPRECATED;
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_set_default_realm(const char *);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_extract_authtime_from_sec_context(OM_uint32 *, gss_ctx_id_t, time_t *);
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struct EncryptionKey;
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_extract_service_keyblock(OM_uint32 *minor_status,
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				 gss_ctx_id_t context_handle,
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				 struct EncryptionKey **out);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_get_initiator_subkey(OM_uint32 *minor_status,
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				 gss_ctx_id_t context_handle,
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				 struct EncryptionKey **out);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_get_subkey(OM_uint32 *minor_status,
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		   gss_ctx_id_t context_handle,
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		   struct EncryptionKey **out);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_set_time_offset(int);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_get_time_offset(int *);
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struct gsskrb5_krb5_plugin {
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    int type;
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    char *name;
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    void *symbol;
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};
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gsskrb5_plugin_register(struct gsskrb5_krb5_plugin *);
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/*
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 * Lucid - NFSv4 interface to GSS-API KRB5 to expose key material to
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 * do GSS content token handling in-kernel.
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 */
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typedef struct gss_krb5_lucid_key {
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	OM_uint32	type;
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	OM_uint32	length;
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	void *		data;
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} gss_krb5_lucid_key_t;
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typedef struct gss_krb5_rfc1964_keydata {
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	OM_uint32		sign_alg;
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	OM_uint32		seal_alg;
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	gss_krb5_lucid_key_t	ctx_key;
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} gss_krb5_rfc1964_keydata_t;
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typedef struct gss_krb5_cfx_keydata {
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	OM_uint32		have_acceptor_subkey;
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	gss_krb5_lucid_key_t	ctx_key;
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	gss_krb5_lucid_key_t	acceptor_subkey;
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} gss_krb5_cfx_keydata_t;
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typedef struct gss_krb5_lucid_context_v1 {
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	OM_uint32	version;
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	OM_uint32	initiate;
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	OM_uint32	endtime;
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	OM_uint64	send_seq;
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	OM_uint64	recv_seq;
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	OM_uint32	protocol;
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	gss_krb5_rfc1964_keydata_t rfc1964_kd;
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	gss_krb5_cfx_keydata_t	   cfx_kd;
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} gss_krb5_lucid_context_v1_t;
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typedef struct gss_krb5_lucid_context_version {
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	OM_uint32	version;	/* Structure version number */
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} gss_krb5_lucid_context_version_t;
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/*
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 * Function declarations
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 */
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_krb5_export_lucid_sec_context(OM_uint32 *minor_status,
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				  gss_ctx_id_t *context_handle,
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				  OM_uint32 version,
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				  void **kctx);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status,
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				void *kctx);
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status,
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				gss_cred_id_t cred,
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				OM_uint32 num_enctypes,
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				int32_t *enctypes);
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#define GSS_KRB5_NAME_ATTRIBUTE_BASE_URN "urn:ietf:kerberos:nameattr-"
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GSSAPI_CPP_END
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#endif /* GSSAPI_SPNEGO_H_ */
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