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: /usr/include/openssl/
files >> /usr/include/openssl/kssl.h
 /* ssl/kssl.h */
/*
 * 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 OPENSSL_SYS_WIN32
/*
 * These can sometimes get redefined indirectly by krb5 header files after
 * they get undefed in ossl_typ.h
 */
#   undef X509_NAME
#   undef X509_EXTENSIONS
#   undef OCSP_REQUEST
#   undef OCSP_RESPONSE
#  endif

#ifdef  __cplusplus
extern "C" {
#endif

/*
 *      Depending on which KRB5 implementation used, some types from
 *      the other may be missing.  Resolve that here and now
 */
#  ifdef KRB5_HEIMDAL
typedef unsigned char krb5_octet;
#   define FAR
#  else

#   ifndef FAR
#    define FAR
#   endif

#  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    255
typedef 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);

void SSL_set0_kssl_ctx(SSL *s, KSSL_CTX *kctx);
KSSL_CTX *SSL_get0_kssl_ctx(SSL *s);
char *kssl_ctx_get0_client_princ(KSSL_CTX *kctx);

#ifdef  __cplusplus
}
#endif
# endif                         /* OPENSSL_NO_KRB5 */
#endif                          /* KSSL_H */
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