1*0Sstevel@tonic-gate /* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- */ 2*0Sstevel@tonic-gate /* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 2000. 3*0Sstevel@tonic-gate * project 2000. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate /* ==================================================================== 6*0Sstevel@tonic-gate * Copyright (c) 2000 The OpenSSL Project. All rights reserved. 7*0Sstevel@tonic-gate * 8*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 9*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 10*0Sstevel@tonic-gate * are met: 11*0Sstevel@tonic-gate * 12*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 13*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 14*0Sstevel@tonic-gate * 15*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 16*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in 17*0Sstevel@tonic-gate * the documentation and/or other materials provided with the 18*0Sstevel@tonic-gate * distribution. 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this 21*0Sstevel@tonic-gate * software must display the following acknowledgment: 22*0Sstevel@tonic-gate * "This product includes software developed by the OpenSSL Project 23*0Sstevel@tonic-gate * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26*0Sstevel@tonic-gate * endorse or promote products derived from this software without 27*0Sstevel@tonic-gate * prior written permission. For written permission, please contact 28*0Sstevel@tonic-gate * licensing@OpenSSL.org. 29*0Sstevel@tonic-gate * 30*0Sstevel@tonic-gate * 5. Products derived from this software may not be called "OpenSSL" 31*0Sstevel@tonic-gate * nor may "OpenSSL" appear in their names without prior written 32*0Sstevel@tonic-gate * permission of the OpenSSL Project. 33*0Sstevel@tonic-gate * 34*0Sstevel@tonic-gate * 6. Redistributions of any form whatsoever must retain the following 35*0Sstevel@tonic-gate * acknowledgment: 36*0Sstevel@tonic-gate * "This product includes software developed by the OpenSSL Project 37*0Sstevel@tonic-gate * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40*0Sstevel@tonic-gate * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42*0Sstevel@tonic-gate * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43*0Sstevel@tonic-gate * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44*0Sstevel@tonic-gate * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45*0Sstevel@tonic-gate * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46*0Sstevel@tonic-gate * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48*0Sstevel@tonic-gate * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49*0Sstevel@tonic-gate * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50*0Sstevel@tonic-gate * OF THE POSSIBILITY OF SUCH DAMAGE. 51*0Sstevel@tonic-gate * ==================================================================== 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * This product includes cryptographic software written by Eric Young 54*0Sstevel@tonic-gate * (eay@cryptsoft.com). This product includes software written by Tim 55*0Sstevel@tonic-gate * Hudson (tjh@cryptsoft.com). 56*0Sstevel@tonic-gate * 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate /* 60*0Sstevel@tonic-gate ** 19990701 VRS Started. 61*0Sstevel@tonic-gate */ 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate #ifndef KSSL_H 64*0Sstevel@tonic-gate #define KSSL_H 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate #include <openssl/opensslconf.h> 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #ifndef OPENSSL_NO_KRB5 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate #include <stdio.h> 71*0Sstevel@tonic-gate #include <ctype.h> 72*0Sstevel@tonic-gate #include <krb5.h> 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #ifdef __cplusplus 75*0Sstevel@tonic-gate extern "C" { 76*0Sstevel@tonic-gate #endif 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* 79*0Sstevel@tonic-gate ** Depending on which KRB5 implementation used, some types from 80*0Sstevel@tonic-gate ** the other may be missing. Resolve that here and now 81*0Sstevel@tonic-gate */ 82*0Sstevel@tonic-gate #ifdef KRB5_HEIMDAL 83*0Sstevel@tonic-gate typedef unsigned char krb5_octet; 84*0Sstevel@tonic-gate #define FAR 85*0Sstevel@tonic-gate #endif 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* Uncomment this to debug kssl problems or 88*0Sstevel@tonic-gate ** to trace usage of the Kerberos session key 89*0Sstevel@tonic-gate ** 90*0Sstevel@tonic-gate ** #define KSSL_DEBUG 91*0Sstevel@tonic-gate */ 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #ifndef KRB5SVC 94*0Sstevel@tonic-gate #define KRB5SVC "host" 95*0Sstevel@tonic-gate #endif 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate #ifndef KRB5KEYTAB 98*0Sstevel@tonic-gate #define KRB5KEYTAB "/etc/krb5.keytab" 99*0Sstevel@tonic-gate #endif 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate #ifndef KRB5SENDAUTH 102*0Sstevel@tonic-gate #define KRB5SENDAUTH 1 103*0Sstevel@tonic-gate #endif 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate #ifndef KRB5CHECKAUTH 106*0Sstevel@tonic-gate #define KRB5CHECKAUTH 1 107*0Sstevel@tonic-gate #endif 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate #ifndef KSSL_CLOCKSKEW 110*0Sstevel@tonic-gate #define KSSL_CLOCKSKEW 300; 111*0Sstevel@tonic-gate #endif 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate #define KSSL_ERR_MAX 255 114*0Sstevel@tonic-gate typedef struct kssl_err_st { 115*0Sstevel@tonic-gate int reason; 116*0Sstevel@tonic-gate char text[KSSL_ERR_MAX+1]; 117*0Sstevel@tonic-gate } KSSL_ERR; 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate /* Context for passing 121*0Sstevel@tonic-gate ** (1) Kerberos session key to SSL, and 122*0Sstevel@tonic-gate ** (2) Config data between application and SSL lib 123*0Sstevel@tonic-gate */ 124*0Sstevel@tonic-gate typedef struct kssl_ctx_st 125*0Sstevel@tonic-gate { 126*0Sstevel@tonic-gate /* used by: disposition: */ 127*0Sstevel@tonic-gate char *service_name; /* C,S default ok (kssl) */ 128*0Sstevel@tonic-gate char *service_host; /* C input, REQUIRED */ 129*0Sstevel@tonic-gate char *client_princ; /* S output from krb5 ticket */ 130*0Sstevel@tonic-gate char *keytab_file; /* S NULL (/etc/krb5.keytab) */ 131*0Sstevel@tonic-gate char *cred_cache; /* C NULL (default) */ 132*0Sstevel@tonic-gate krb5_enctype enctype; 133*0Sstevel@tonic-gate int length; 134*0Sstevel@tonic-gate krb5_octet FAR *key; 135*0Sstevel@tonic-gate } KSSL_CTX; 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate #define KSSL_CLIENT 1 138*0Sstevel@tonic-gate #define KSSL_SERVER 2 139*0Sstevel@tonic-gate #define KSSL_SERVICE 3 140*0Sstevel@tonic-gate #define KSSL_KEYTAB 4 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate #define KSSL_CTX_OK 0 143*0Sstevel@tonic-gate #define KSSL_CTX_ERR 1 144*0Sstevel@tonic-gate #define KSSL_NOMEM 2 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate /* Public (for use by applications that use OpenSSL with Kerberos 5 support */ 147*0Sstevel@tonic-gate krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text); 148*0Sstevel@tonic-gate KSSL_CTX *kssl_ctx_new(void); 149*0Sstevel@tonic-gate KSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx); 150*0Sstevel@tonic-gate void kssl_ctx_show(KSSL_CTX *kssl_ctx); 151*0Sstevel@tonic-gate krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which, 152*0Sstevel@tonic-gate krb5_data *realm, krb5_data *entity, int nentities); 153*0Sstevel@tonic-gate krb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx, krb5_data **enc_tktp, 154*0Sstevel@tonic-gate krb5_data *authenp, KSSL_ERR *kssl_err); 155*0Sstevel@tonic-gate krb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx, krb5_data *indata, 156*0Sstevel@tonic-gate krb5_ticket_times *ttimes, KSSL_ERR *kssl_err); 157*0Sstevel@tonic-gate krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session); 158*0Sstevel@tonic-gate void kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text); 159*0Sstevel@tonic-gate void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data); 160*0Sstevel@tonic-gate krb5_error_code kssl_build_principal_2(krb5_context context, 161*0Sstevel@tonic-gate krb5_principal *princ, int rlen, const char *realm, 162*0Sstevel@tonic-gate int slen, const char *svc, int hlen, const char *host); 163*0Sstevel@tonic-gate krb5_error_code kssl_validate_times(krb5_timestamp atime, 164*0Sstevel@tonic-gate krb5_ticket_times *ttimes); 165*0Sstevel@tonic-gate krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp, 166*0Sstevel@tonic-gate krb5_timestamp *atimep, KSSL_ERR *kssl_err); 167*0Sstevel@tonic-gate unsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn); 168*0Sstevel@tonic-gate 169*0Sstevel@tonic-gate #ifdef __cplusplus 170*0Sstevel@tonic-gate } 171*0Sstevel@tonic-gate #endif 172*0Sstevel@tonic-gate #endif /* OPENSSL_NO_KRB5 */ 173*0Sstevel@tonic-gate #endif /* KSSL_H */ 174