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198 lines
6.7 KiB
C
198 lines
6.7 KiB
C
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/* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- */
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/*
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* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project
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* 2000. project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000 The OpenSSL Project. 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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/*
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** 19990701 VRS Started.
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*/
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#ifndef KSSL_H
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# define KSSL_H
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# include <openssl/opensslconf.h>
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# ifndef OPENSSL_NO_KRB5
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# include <stdio.h>
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# include <ctype.h>
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# include <krb5.h>
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# ifdef OPENSSL_SYS_WIN32
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/*
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* These can sometimes get redefined indirectly by krb5 header files after
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* they get undefed in ossl_typ.h
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*/
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# undef X509_NAME
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# undef X509_EXTENSIONS
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# undef OCSP_REQUEST
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# undef OCSP_RESPONSE
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# endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Depending on which KRB5 implementation used, some types from
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* the other may be missing. Resolve that here and now
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*/
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# ifdef KRB5_HEIMDAL
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typedef unsigned char krb5_octet;
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# define FAR
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# else
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# ifndef FAR
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# define FAR
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# endif
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# endif
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/*-
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* Uncomment this to debug kssl problems or
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* to trace usage of the Kerberos session key
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*
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* #define KSSL_DEBUG
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*/
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# ifndef KRB5SVC
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# define KRB5SVC "host"
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# endif
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# ifndef KRB5KEYTAB
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# define KRB5KEYTAB "/etc/krb5.keytab"
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# endif
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# ifndef KRB5SENDAUTH
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# define KRB5SENDAUTH 1
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# endif
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# ifndef KRB5CHECKAUTH
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# define KRB5CHECKAUTH 1
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# endif
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# ifndef KSSL_CLOCKSKEW
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# define KSSL_CLOCKSKEW 300;
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# endif
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# define KSSL_ERR_MAX 255
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typedef struct kssl_err_st {
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int reason;
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char text[KSSL_ERR_MAX + 1];
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} KSSL_ERR;
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/*- Context for passing
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* (1) Kerberos session key to SSL, and
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* (2) Config data between application and SSL lib
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*/
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typedef struct kssl_ctx_st {
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/* used by: disposition: */
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char *service_name; /* C,S default ok (kssl) */
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char *service_host; /* C input, REQUIRED */
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char *client_princ; /* S output from krb5 ticket */
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char *keytab_file; /* S NULL (/etc/krb5.keytab) */
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char *cred_cache; /* C NULL (default) */
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krb5_enctype enctype;
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int length;
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krb5_octet FAR *key;
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} KSSL_CTX;
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# define KSSL_CLIENT 1
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# define KSSL_SERVER 2
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# define KSSL_SERVICE 3
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# define KSSL_KEYTAB 4
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# define KSSL_CTX_OK 0
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# define KSSL_CTX_ERR 1
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# define KSSL_NOMEM 2
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/* Public (for use by applications that use OpenSSL with Kerberos 5 support */
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krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text);
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KSSL_CTX *kssl_ctx_new(void);
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KSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx);
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void kssl_ctx_show(KSSL_CTX *kssl_ctx);
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krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which,
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krb5_data *realm, krb5_data *entity,
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int nentities);
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krb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx, krb5_data **enc_tktp,
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krb5_data *authenp, KSSL_ERR *kssl_err);
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krb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx, krb5_data *indata,
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krb5_ticket_times *ttimes, KSSL_ERR *kssl_err);
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krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session);
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void kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text);
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void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data);
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krb5_error_code kssl_build_principal_2(krb5_context context,
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krb5_principal *princ, int rlen,
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const char *realm, int slen,
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const char *svc, int hlen,
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const char *host);
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krb5_error_code kssl_validate_times(krb5_timestamp atime,
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krb5_ticket_times *ttimes);
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krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp,
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krb5_timestamp *atimep,
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KSSL_ERR *kssl_err);
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unsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn);
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void SSL_set0_kssl_ctx(SSL *s, KSSL_CTX *kctx);
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KSSL_CTX *SSL_get0_kssl_ctx(SSL *s);
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char *kssl_ctx_get0_client_princ(KSSL_CTX *kctx);
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#ifdef __cplusplus
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}
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#endif
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# endif /* OPENSSL_NO_KRB5 */
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#endif /* KSSL_H */
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