Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* ssl/kssl.h -*- mode: C; c-file-style: "eay" -*- */ |
| 2 | /* Written by Vern Staats <staatsvr@asc.hpc.mil> for the OpenSSL project 2000. |
| 3 | * project 2000. |
| 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * 3. All advertising materials mentioning features or use of this |
| 21 | * software must display the following acknowledgment: |
| 22 | * "This product includes software developed by the OpenSSL Project |
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| 24 | * |
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 26 | * endorse or promote products derived from this software without |
| 27 | * prior written permission. For written permission, please contact |
| 28 | * licensing@OpenSSL.org. |
| 29 | * |
| 30 | * 5. Products derived from this software may not be called "OpenSSL" |
| 31 | * nor may "OpenSSL" appear in their names without prior written |
| 32 | * permission of the OpenSSL Project. |
| 33 | * |
| 34 | * 6. Redistributions of any form whatsoever must retain the following |
| 35 | * acknowledgment: |
| 36 | * "This product includes software developed by the OpenSSL Project |
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 51 | * ==================================================================== |
| 52 | * |
| 53 | * This product includes cryptographic software written by Eric Young |
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 55 | * Hudson (tjh@cryptsoft.com). |
| 56 | * |
| 57 | */ |
| 58 | |
| 59 | /* |
| 60 | ** 19990701 VRS Started. |
| 61 | */ |
| 62 | |
| 63 | #ifndef KSSL_H |
| 64 | #define KSSL_H |
| 65 | |
| 66 | #include <openssl/opensslconf.h> |
| 67 | |
| 68 | #ifndef OPENSSL_NO_KRB5 |
| 69 | |
| 70 | #include <stdio.h> |
| 71 | #include <ctype.h> |
| 72 | #include <krb5.h> |
| 73 | |
| 74 | #ifdef __cplusplus |
| 75 | extern "C" { |
| 76 | #endif |
| 77 | |
| 78 | /* |
| 79 | ** Depending on which KRB5 implementation used, some types from |
| 80 | ** the other may be missing. Resolve that here and now |
| 81 | */ |
| 82 | #ifdef KRB5_HEIMDAL |
| 83 | typedef unsigned char krb5_octet; |
| 84 | #define FAR |
| 85 | #else |
| 86 | |
| 87 | #ifndef FAR |
| 88 | #define FAR |
| 89 | #endif |
| 90 | |
| 91 | #endif |
| 92 | |
| 93 | /* Uncomment this to debug kssl problems or |
| 94 | ** to trace usage of the Kerberos session key |
| 95 | ** |
| 96 | ** #define KSSL_DEBUG |
| 97 | */ |
| 98 | |
| 99 | #ifndef KRB5SVC |
| 100 | #define KRB5SVC "host" |
| 101 | #endif |
| 102 | |
| 103 | #ifndef KRB5KEYTAB |
| 104 | #define KRB5KEYTAB "/etc/krb5.keytab" |
| 105 | #endif |
| 106 | |
| 107 | #ifndef KRB5SENDAUTH |
| 108 | #define KRB5SENDAUTH 1 |
| 109 | #endif |
| 110 | |
| 111 | #ifndef KRB5CHECKAUTH |
| 112 | #define KRB5CHECKAUTH 1 |
| 113 | #endif |
| 114 | |
| 115 | #ifndef KSSL_CLOCKSKEW |
| 116 | #define KSSL_CLOCKSKEW 300; |
| 117 | #endif |
| 118 | |
| 119 | #define KSSL_ERR_MAX 255 |
| 120 | typedef struct kssl_err_st { |
| 121 | int reason; |
| 122 | char text[KSSL_ERR_MAX+1]; |
| 123 | } KSSL_ERR; |
| 124 | |
| 125 | |
| 126 | /* Context for passing |
| 127 | ** (1) Kerberos session key to SSL, and |
| 128 | ** (2) Config data between application and SSL lib |
| 129 | */ |
| 130 | typedef struct kssl_ctx_st |
| 131 | { |
| 132 | /* used by: disposition: */ |
| 133 | char *service_name; /* C,S default ok (kssl) */ |
| 134 | char *service_host; /* C input, REQUIRED */ |
| 135 | char *client_princ; /* S output from krb5 ticket */ |
| 136 | char *keytab_file; /* S NULL (/etc/krb5.keytab) */ |
| 137 | char *cred_cache; /* C NULL (default) */ |
| 138 | krb5_enctype enctype; |
| 139 | int length; |
| 140 | krb5_octet FAR *key; |
| 141 | } KSSL_CTX; |
| 142 | |
| 143 | #define KSSL_CLIENT 1 |
| 144 | #define KSSL_SERVER 2 |
| 145 | #define KSSL_SERVICE 3 |
| 146 | #define KSSL_KEYTAB 4 |
| 147 | |
| 148 | #define KSSL_CTX_OK 0 |
| 149 | #define KSSL_CTX_ERR 1 |
| 150 | #define KSSL_NOMEM 2 |
| 151 | |
| 152 | /* Public (for use by applications that use OpenSSL with Kerberos 5 support */ |
| 153 | krb5_error_code kssl_ctx_setstring(KSSL_CTX *kssl_ctx, int which, char *text); |
| 154 | KSSL_CTX *kssl_ctx_new(void); |
| 155 | KSSL_CTX *kssl_ctx_free(KSSL_CTX *kssl_ctx); |
| 156 | void kssl_ctx_show(KSSL_CTX *kssl_ctx); |
| 157 | krb5_error_code kssl_ctx_setprinc(KSSL_CTX *kssl_ctx, int which, |
| 158 | krb5_data *realm, krb5_data *entity, int nentities); |
| 159 | krb5_error_code kssl_cget_tkt(KSSL_CTX *kssl_ctx, krb5_data **enc_tktp, |
| 160 | krb5_data *authenp, KSSL_ERR *kssl_err); |
| 161 | krb5_error_code kssl_sget_tkt(KSSL_CTX *kssl_ctx, krb5_data *indata, |
| 162 | krb5_ticket_times *ttimes, KSSL_ERR *kssl_err); |
| 163 | krb5_error_code kssl_ctx_setkey(KSSL_CTX *kssl_ctx, krb5_keyblock *session); |
| 164 | void kssl_err_set(KSSL_ERR *kssl_err, int reason, char *text); |
| 165 | void kssl_krb5_free_data_contents(krb5_context context, krb5_data *data); |
| 166 | krb5_error_code kssl_build_principal_2(krb5_context context, |
| 167 | krb5_principal *princ, int rlen, const char *realm, |
| 168 | int slen, const char *svc, int hlen, const char *host); |
| 169 | krb5_error_code kssl_validate_times(krb5_timestamp atime, |
| 170 | krb5_ticket_times *ttimes); |
| 171 | krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp, |
| 172 | krb5_timestamp *atimep, KSSL_ERR *kssl_err); |
| 173 | unsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn); |
| 174 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 175 | #ifdef __cplusplus |
| 176 | } |
| 177 | #endif |
| 178 | #endif /* OPENSSL_NO_KRB5 */ |
| 179 | #endif /* KSSL_H */ |