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