/* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- *//* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 2000. * project 2000. *//* ==================================================================== * Copyright (c) 2000 The OpenSSL Project.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer.  * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. All advertising materials mentioning features or use of this *    software must display the following acknowledgment: *    "This product includes software developed by the OpenSSL Project *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to *    endorse or promote products derived from this software without *    prior written permission. For written permission, please contact *    licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" *    nor may "OpenSSL" appear in their names without prior written *    permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following *    acknowledgment: *    "This product includes software developed by the OpenSSL Project *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com).  This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * *//***	19990701	VRS 	Started.*/#ifndef	KSSL_H#define	KSSL_H#include <openssl/opensslconf.h>#ifndef OPENSSL_NO_KRB5#include <stdio.h>#include <ctype.h>#include <krb5.h>#ifdef  __cplusplusextern "C" {#endif/***	Depending on which KRB5 implementation used, some types from**	the other may be missing.  Resolve that here and now*/#ifdef KRB5_HEIMDALtypedef unsigned char krb5_octet;#define FAR#endif/*	Uncomment this to debug kssl problems or**	to trace usage of the Kerberos session key****	#define		KSSL_DEBUG*/#ifndef	KRB5SVC#define KRB5SVC	"host"#endif#ifndef	KRB5KEYTAB#define KRB5KEYTAB	"/etc/krb5.keytab"#endif#ifndef KRB5SENDAUTH#define KRB5SENDAUTH	1#endif#ifndef KRB5CHECKAUTH#define KRB5CHECKAUTH	1#endif#ifndef KSSL_CLOCKSKEW#define	KSSL_CLOCKSKEW	300;#endif#define	KSSL_ERR_MAX	255typedef struct kssl_err_st  {	int  reason;	char text[KSSL_ERR_MAX+1];	} KSSL_ERR;/*	Context for passing**		(1) Kerberos session key to SSL, and**		(2)	Config data between application and SSL lib*/typedef struct kssl_ctx_st        {                                /*	used by:    disposition:            */	char *service_name;	/*	C,S	    default ok (kssl)       */	char *service_host;	/*	C	    input, REQUIRED         */	char *client_princ;	/*	S	    output from krb5 ticket */	char *keytab_file;	/*      S	    NULL (/etc/krb5.keytab) */	char *cred_cache;	/*	C	    NULL (default)          */	krb5_enctype enctype;	int length;	krb5_octet FAR *key;	} KSSL_CTX;#define	KSSL_CLIENT 	1#define KSSL_SERVER 	2#define	KSSL_SERVICE	3#define	KSSL_KEYTAB 	4#define KSSL_CTX_OK 	0#define KSSL_CTX_ERR	1#define KSSL_NOMEM	2/* Public (for use by applications that use OpenSSL with Kerberos 5 support */krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text);KSSL_CTX *kssl_ctx_new(void);KSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx);void kssl_ctx_show(KSSL_CTX *kssl_ctx);krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,        krb5_data *realm, krb5_data *entity, int nentities);krb5_error_code	kssl_cget_tkt(KSSL_CTX *kssl_ctx,  krb5_data **enc_tktp,        krb5_data *authenp, KSSL_ERR *kssl_err);krb5_error_code	kssl_sget_tkt(KSSL_CTX *kssl_ctx,  krb5_data *indata,        krb5_ticket_times *ttimes, KSSL_ERR *kssl_err);krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session);void	kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text);void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data);krb5_error_code  kssl_build_principal_2(krb5_context context,			krb5_principal *princ, int rlen, const char *realm,			int slen, const char *svc, int hlen, const char *host);krb5_error_code  kssl_validate_times(krb5_timestamp atime,					krb5_ticket_times *ttimes);krb5_error_code  kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp,			            krb5_timestamp *atimep, KSSL_ERR *kssl_err);unsigned char	*kssl_skip_confound(krb5_enctype enctype, unsigned char *authn);#ifdef  __cplusplus}#endif#endif	/* OPENSSL_NO_KRB5	*/#endif	/* KSSL_H 	*/