1109998Smarkm/* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- */ 2296465Sdelphij/* 3296465Sdelphij * Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 4296465Sdelphij * 2000. project 2000. 5109998Smarkm */ 6109998Smarkm/* ==================================================================== 7109998Smarkm * Copyright (c) 2000 The OpenSSL Project. All rights reserved. 8109998Smarkm * 9109998Smarkm * Redistribution and use in source and binary forms, with or without 10109998Smarkm * modification, are permitted provided that the following conditions 11109998Smarkm * are met: 12109998Smarkm * 13109998Smarkm * 1. Redistributions of source code must retain the above copyright 14296465Sdelphij * notice, this list of conditions and the following disclaimer. 15109998Smarkm * 16109998Smarkm * 2. Redistributions in binary form must reproduce the above copyright 17109998Smarkm * notice, this list of conditions and the following disclaimer in 18109998Smarkm * the documentation and/or other materials provided with the 19109998Smarkm * distribution. 20109998Smarkm * 21109998Smarkm * 3. All advertising materials mentioning features or use of this 22109998Smarkm * software must display the following acknowledgment: 23109998Smarkm * "This product includes software developed by the OpenSSL Project 24109998Smarkm * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25109998Smarkm * 26109998Smarkm * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27109998Smarkm * endorse or promote products derived from this software without 28109998Smarkm * prior written permission. For written permission, please contact 29109998Smarkm * licensing@OpenSSL.org. 30109998Smarkm * 31109998Smarkm * 5. Products derived from this software may not be called "OpenSSL" 32109998Smarkm * nor may "OpenSSL" appear in their names without prior written 33109998Smarkm * permission of the OpenSSL Project. 34109998Smarkm * 35109998Smarkm * 6. Redistributions of any form whatsoever must retain the following 36109998Smarkm * acknowledgment: 37109998Smarkm * "This product includes software developed by the OpenSSL Project 38109998Smarkm * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39109998Smarkm * 40109998Smarkm * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41109998Smarkm * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42109998Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43109998Smarkm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44109998Smarkm * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45109998Smarkm * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46109998Smarkm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47109998Smarkm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48109998Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49109998Smarkm * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50109998Smarkm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51109998Smarkm * OF THE POSSIBILITY OF SUCH DAMAGE. 52109998Smarkm * ==================================================================== 53109998Smarkm * 54109998Smarkm * This product includes cryptographic software written by Eric Young 55109998Smarkm * (eay@cryptsoft.com). This product includes software written by Tim 56109998Smarkm * Hudson (tjh@cryptsoft.com). 57109998Smarkm * 58109998Smarkm */ 59109998Smarkm 60109998Smarkm/* 61296465Sdelphij ** 19990701 VRS Started. 62296465Sdelphij */ 63109998Smarkm 64296465Sdelphij#ifndef KSSL_H 65296465Sdelphij# define KSSL_H 66109998Smarkm 67296465Sdelphij# include <openssl/opensslconf.h> 68109998Smarkm 69296465Sdelphij# ifndef OPENSSL_NO_KRB5 70109998Smarkm 71296465Sdelphij# include <stdio.h> 72296465Sdelphij# include <ctype.h> 73296465Sdelphij# include <krb5.h> 74109998Smarkm 75109998Smarkm#ifdef __cplusplus 76109998Smarkmextern "C" { 77109998Smarkm#endif 78109998Smarkm 79109998Smarkm/* 80296465Sdelphij * Depending on which KRB5 implementation used, some types from 81296465Sdelphij * the other may be missing. Resolve that here and now 82296465Sdelphij */ 83296465Sdelphij# ifdef KRB5_HEIMDAL 84109998Smarkmtypedef unsigned char krb5_octet; 85296465Sdelphij# define FAR 86296465Sdelphij# else 87160814Ssimon 88296465Sdelphij# ifndef FAR 89296465Sdelphij# define FAR 90296465Sdelphij# endif 91109998Smarkm 92296465Sdelphij# endif 93160814Ssimon 94296465Sdelphij/*- 95296465Sdelphij * Uncomment this to debug kssl problems or 96296465Sdelphij * to trace usage of the Kerberos session key 97296465Sdelphij * 98296465Sdelphij * #define KSSL_DEBUG 99296465Sdelphij */ 100109998Smarkm 101296465Sdelphij# ifndef KRB5SVC 102296465Sdelphij# define KRB5SVC "host" 103296465Sdelphij# endif 104109998Smarkm 105296465Sdelphij# ifndef KRB5KEYTAB 106296465Sdelphij# define KRB5KEYTAB "/etc/krb5.keytab" 107296465Sdelphij# endif 108109998Smarkm 109296465Sdelphij# ifndef KRB5SENDAUTH 110296465Sdelphij# define KRB5SENDAUTH 1 111296465Sdelphij# endif 112109998Smarkm 113296465Sdelphij# ifndef KRB5CHECKAUTH 114296465Sdelphij# define KRB5CHECKAUTH 1 115296465Sdelphij# endif 116109998Smarkm 117296465Sdelphij# ifndef KSSL_CLOCKSKEW 118296465Sdelphij# define KSSL_CLOCKSKEW 300; 119296465Sdelphij# endif 120109998Smarkm 121296465Sdelphij# define KSSL_ERR_MAX 255 122296465Sdelphijtypedef struct kssl_err_st { 123296465Sdelphij int reason; 124296465Sdelphij char text[KSSL_ERR_MAX + 1]; 125296465Sdelphij} KSSL_ERR; 126109998Smarkm 127296465Sdelphij/*- Context for passing 128296465Sdelphij * (1) Kerberos session key to SSL, and 129296465Sdelphij * (2) Config data between application and SSL lib 130296465Sdelphij */ 131296465Sdelphijtypedef struct kssl_ctx_st { 132296465Sdelphij /* used by: disposition: */ 133296465Sdelphij char *service_name; /* C,S default ok (kssl) */ 134296465Sdelphij char *service_host; /* C input, REQUIRED */ 135296465Sdelphij char *client_princ; /* S output from krb5 ticket */ 136296465Sdelphij char *keytab_file; /* S NULL (/etc/krb5.keytab) */ 137296465Sdelphij char *cred_cache; /* C NULL (default) */ 138296465Sdelphij krb5_enctype enctype; 139296465Sdelphij int length; 140296465Sdelphij krb5_octet FAR *key; 141296465Sdelphij} KSSL_CTX; 142109998Smarkm 143296465Sdelphij# define KSSL_CLIENT 1 144296465Sdelphij# define KSSL_SERVER 2 145296465Sdelphij# define KSSL_SERVICE 3 146296465Sdelphij# define KSSL_KEYTAB 4 147109998Smarkm 148296465Sdelphij# define KSSL_CTX_OK 0 149296465Sdelphij# define KSSL_CTX_ERR 1 150296465Sdelphij# define KSSL_NOMEM 2 151109998Smarkm 152109998Smarkm/* Public (for use by applications that use OpenSSL with Kerberos 5 support */ 153109998Smarkmkrb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text); 154109998SmarkmKSSL_CTX *kssl_ctx_new(void); 155109998SmarkmKSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx); 156109998Smarkmvoid kssl_ctx_show(KSSL_CTX *kssl_ctx); 157109998Smarkmkrb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which, 158296465Sdelphij krb5_data *realm, krb5_data *entity, 159296465Sdelphij int nentities); 160296465Sdelphijkrb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx, krb5_data **enc_tktp, 161296465Sdelphij krb5_data *authenp, KSSL_ERR *kssl_err); 162296465Sdelphijkrb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx, krb5_data *indata, 163296465Sdelphij krb5_ticket_times *ttimes, KSSL_ERR *kssl_err); 164109998Smarkmkrb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session); 165296465Sdelphijvoid kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text); 166109998Smarkmvoid kssl_krb5_free_data_contents(krb5_context context, krb5_data *data); 167296465Sdelphijkrb5_error_code kssl_build_principal_2(krb5_context context, 168296465Sdelphij krb5_principal *princ, int rlen, 169296465Sdelphij const char *realm, int slen, 170296465Sdelphij const char *svc, int hlen, 171296465Sdelphij const char *host); 172296465Sdelphijkrb5_error_code kssl_validate_times(krb5_timestamp atime, 173296465Sdelphij krb5_ticket_times *ttimes); 174296465Sdelphijkrb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp, 175296465Sdelphij krb5_timestamp *atimep, 176296465Sdelphij KSSL_ERR *kssl_err); 177296465Sdelphijunsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn); 178109998Smarkm 179109998Smarkm#ifdef __cplusplus 180109998Smarkm} 181109998Smarkm#endif 182296465Sdelphij# endif /* OPENSSL_NO_KRB5 */ 183296465Sdelphij#endif /* KSSL_H */ 184