source4/heimdal/lib/gssapi/gssapi/gssapi_krb5.h

   1 /*
   2  * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /* $Id: gssapi_krb5.h,v 1.17 2006/11/10 01:05:34 lha Exp $ */
  35
  36 #ifndef GSSAPI_KRB5_H_
  37 #define GSSAPI_KRB5_H_
  38
  39 #include <gssapi/gssapi.h>
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 /*
  46  * This is for kerberos5 names.
  47  */
  48
  49 extern gss_OID GSS_KRB5_NT_PRINCIPAL_NAME;
  50 extern gss_OID GSS_KRB5_NT_USER_NAME;
  51 extern gss_OID GSS_KRB5_NT_MACHINE_UID_NAME;
  52 extern gss_OID GSS_KRB5_NT_STRING_UID_NAME;
  53
  54 extern gss_OID GSS_KRB5_MECHANISM;
  55
  56 /* for compatibility with MIT api */
  57
  58 #define gss_mech_krb5 GSS_KRB5_MECHANISM
  59 #define gss_krb5_nt_general_name GSS_KRB5_NT_PRINCIPAL_NAME
  60
  61 /* Extensions set contexts options */
  62 extern gss_OID GSS_KRB5_COPY_CCACHE_X;
  63 extern gss_OID GSS_KRB5_COMPAT_DES3_MIC_X;
  64 extern gss_OID GSS_KRB5_REGISTER_ACCEPTOR_IDENTITY_X;
  65 extern gss_OID GSS_KRB5_SET_DNS_CANONICALIZE_X;
  66 extern gss_OID GSS_KRB5_SEND_TO_KDC_X;
  67 extern gss_OID GSS_KRB5_SET_DEFAULT_REALM_X;
  68 /* Extensions inquire context */
  69 extern gss_OID GSS_KRB5_GET_TKT_FLAGS_X;
  70 extern gss_OID GSS_KRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT_X;
  71 extern gss_OID GSS_C_PEER_HAS_UPDATED_SPNEGO;
  72 extern gss_OID GSS_KRB5_EXPORT_LUCID_CONTEXT_X;
  73 extern gss_OID GSS_KRB5_EXPORT_LUCID_CONTEXT_V1_X;
  74 extern gss_OID GSS_KRB5_GET_SUBKEY_X;
  75 extern gss_OID GSS_KRB5_GET_INITIATOR_SUBKEY_X;
  76 extern gss_OID GSS_KRB5_GET_ACCEPTOR_SUBKEY_X;
  77 extern gss_OID GSS_KRB5_GET_AUTHTIME_X;
  78 extern gss_OID GSS_KRB5_GET_SERVICE_KEYBLOCK_X;
  79 /* Extensions creds */
  80 extern gss_OID GSS_KRB5_IMPORT_CRED_X;
  81 extern gss_OID GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X;
  82
  83 /*
  84  * kerberos mechanism specific functions
  85  */
  86
  87 struct krb5_keytab_data;
  88 struct krb5_ccache_data;
  89 struct Principal;
  90
  91 OM_uint32
  92 gss_krb5_ccache_name(OM_uint32 * /*minor_status*/,
  93                      const char * /*name */,
  94                      const char ** /*out_name */);
  95
  96 OM_uint32 gsskrb5_register_acceptor_identity
  97         (const char */*identity*/);
  98
  99 OM_uint32 gss_krb5_copy_ccache
 100         (OM_uint32 */*minor*/,
 101          gss_cred_id_t /*cred*/,
 102          struct krb5_ccache_data */*out*/);
 103
 104 OM_uint32
 105 gss_krb5_import_cred(OM_uint32 */*minor*/,
 106                      struct krb5_ccache_data * /*in*/,
 107                      struct Principal * /*keytab_principal*/,
 108                      struct krb5_keytab_data * /*keytab*/,
 109                      gss_cred_id_t */*out*/);
 110
 111 OM_uint32 gss_krb5_get_tkt_flags
 112         (OM_uint32 */*minor*/,
 113          gss_ctx_id_t /*context_handle*/,
 114          OM_uint32 */*tkt_flags*/);
 115
 116 OM_uint32
 117 gsskrb5_extract_authz_data_from_sec_context
 118         (OM_uint32 * /*minor_status*/,
 119          gss_ctx_id_t /*context_handle*/,
 120          int /*ad_type*/,
 121          gss_buffer_t /*ad_data*/);
 122
 123 OM_uint32
 124 gsskrb5_set_dns_canonicalize(int);
 125
 126 struct gsskrb5_send_to_kdc {
 127     void *func;
 128     void *ptr;
 129 };
 130
 131 OM_uint32
 132 gsskrb5_set_send_to_kdc(struct gsskrb5_send_to_kdc *);
 133
 134 OM_uint32
 135 gsskrb5_set_default_realm(const char *);
 136
 137 OM_uint32
 138 gsskrb5_extract_authtime_from_sec_context(OM_uint32 *, gss_ctx_id_t, time_t *);
 139
 140 struct EncryptionKey;
 141
 142 OM_uint32
 143 gsskrb5_extract_service_keyblock(OM_uint32 *minor_status,
 144                                  gss_ctx_id_t context_handle,
 145                                  struct EncryptionKey **out);
 146 OM_uint32
 147 gsskrb5_get_initiator_subkey(OM_uint32 *minor_status,
 148                                  gss_ctx_id_t context_handle,
 149                                  struct EncryptionKey **out);
 150 OM_uint32
 151 gsskrb5_get_subkey(OM_uint32 *minor_status,
 152                    gss_ctx_id_t context_handle,
 153                    struct EncryptionKey **out);
 154
 155 /*
 156  * Lucid - NFSv4 interface to GSS-API KRB5 to expose key material to
 157  * do GSS content token handling in-kernel.
 158  */
 159
 160 typedef struct gss_krb5_lucid_key {
 161         OM_uint32       type;
 162         OM_uint32       length;
 163         void *          data;
 164 } gss_krb5_lucid_key_t;
 165
 166 typedef struct gss_krb5_rfc1964_keydata {
 167         OM_uint32               sign_alg;
 168         OM_uint32               seal_alg;
 169         gss_krb5_lucid_key_t    ctx_key;
 170 } gss_krb5_rfc1964_keydata_t;
 171
 172 typedef struct gss_krb5_cfx_keydata {
 173         OM_uint32               have_acceptor_subkey;
 174         gss_krb5_lucid_key_t    ctx_key;
 175         gss_krb5_lucid_key_t    acceptor_subkey;
 176 } gss_krb5_cfx_keydata_t;
 177
 178 typedef struct gss_krb5_lucid_context_v1 {
 179         OM_uint32       version;
 180         OM_uint32       initiate;
 181         OM_uint32       endtime;
 182         OM_uint64       send_seq;
 183         OM_uint64       recv_seq;
 184         OM_uint32       protocol;
 185         gss_krb5_rfc1964_keydata_t rfc1964_kd;
 186         gss_krb5_cfx_keydata_t     cfx_kd;
 187 } gss_krb5_lucid_context_v1_t;
 188
 189 typedef struct gss_krb5_lucid_context_version {
 190         OM_uint32       version;        /* Structure version number */
 191 } gss_krb5_lucid_context_version_t;
 192
 193 /*
 194  * Function declarations
 195  */
 196
 197 OM_uint32
 198 gss_krb5_export_lucid_sec_context(OM_uint32 *minor_status,
 199                                   gss_ctx_id_t *context_handle,
 200                                   OM_uint32 version,
 201                                   void **kctx);
 202
 203
 204 OM_uint32
 205 gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status,
 206                                 void *kctx);
 207
 208
 209 OM_uint32
 210 gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status,
 211                                 gss_cred_id_t cred,
 212                                 OM_uint32 num_enctypes,
 213                                 int32_t *enctypes);
 214
 215 #ifdef __cplusplus
 216 }
 217 #endif
 218
 219 #endif /* GSSAPI_SPNEGO_H_ */