/* 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 */