third_party/heimdal/lib/gssapi/sanon/external.c

   1 /*
   2  * Copyright (c) 2006-2020 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 #include "sanon_locl.h"
  35
  36 static uint8_t anonymous_identity;
  37 gss_name_t
  38 _gss_sanon_anonymous_identity = (gss_name_t)&anonymous_identity;
  39 gss_cred_id_t
  40 _gss_sanon_anonymous_cred = (gss_cred_id_t)&anonymous_identity;
  41
  42 static uint8_t non_anonymous_identity;
  43 gss_name_t
  44 _gss_sanon_non_anonymous_identity = (gss_name_t)&non_anonymous_identity;
  45 gss_cred_id_t
  46 _gss_sanon_non_anonymous_cred = (gss_cred_id_t)&non_anonymous_identity;
  47
  48 static gss_buffer_desc wellknown_user_name = {
  49     SANON_WELLKNOWN_USER_NAME_LEN,
  50     SANON_WELLKNOWN_USER_NAME
  51 };
  52 gss_buffer_t
  53 _gss_sanon_wellknown_user_name = &wellknown_user_name;
  54
  55 static gss_buffer_desc wellknown_service_name = {
  56     SANON_WELLKNOWN_SERVICE_NAME_LEN,
  57     SANON_WELLKNOWN_SERVICE_NAME
  58 };
  59 gss_buffer_t
  60 _gss_sanon_wellknown_service_name = &wellknown_service_name;
  61
  62 static gss_mo_desc sanon_mo[] = {
  63     {
  64         GSS_C_MA_MECH_NAME,
  65         GSS_MO_MA,
  66         "Mechanism name",
  67         rk_UNCONST("SANON-X25519"),
  68         _gss_mo_get_ctx_as_string,
  69         NULL
  70     },
  71     {
  72         GSS_C_MA_MECH_DESCRIPTION,
  73         GSS_MO_MA,
  74         "Mechanism description",
  75         rk_UNCONST("Heimdal Simple Anonymous (X25519) Mechanism"),
  76         _gss_mo_get_ctx_as_string,
  77         NULL
  78     },
  79     {
  80         GSS_C_MA_MECH_CONCRETE,
  81         GSS_MO_MA,
  82         NULL,
  83         NULL,
  84         NULL,
  85         NULL
  86     },
  87     {
  88         GSS_C_MA_ITOK_FRAMED,
  89         GSS_MO_MA,
  90         NULL,
  91         NULL,
  92         NULL,
  93         NULL
  94     },
  95     {
  96         GSS_C_MA_AUTH_INIT_ANON,
  97         GSS_MO_MA,
  98         NULL,
  99         NULL,
 100         NULL,
 101         NULL
 102     },
 103     {
 104         GSS_C_MA_AUTH_TARG_ANON,
 105         GSS_MO_MA,
 106         NULL,
 107         NULL,
 108         NULL,
 109         NULL
 110     },
 111     {
 112         GSS_C_MA_INTEG_PROT,
 113         GSS_MO_MA,
 114         NULL,
 115         NULL,
 116         NULL,
 117         NULL
 118     },
 119     {
 120         GSS_C_MA_CONF_PROT,
 121         GSS_MO_MA,
 122         NULL,
 123         NULL,
 124         NULL,
 125         NULL
 126     },
 127     {
 128         GSS_C_MA_MIC,
 129         GSS_MO_MA,
 130         NULL,
 131         NULL,
 132         NULL,
 133         NULL
 134     },
 135     {
 136         GSS_C_MA_WRAP,
 137         GSS_MO_MA,
 138         NULL,
 139         NULL,
 140         NULL,
 141         NULL
 142     },
 143     {
 144         GSS_C_MA_REPLAY_DET,
 145         GSS_MO_MA,
 146         NULL,
 147         NULL,
 148         NULL,
 149         NULL
 150     },
 151     {
 152         GSS_C_MA_OOS_DET,
 153         GSS_MO_MA,
 154         NULL,
 155         NULL,
 156         NULL,
 157         NULL
 158     },
 159     {
 160         GSS_C_MA_CBINDINGS,
 161         GSS_MO_MA,
 162         NULL,
 163         NULL,
 164         NULL,
 165         NULL
 166     },
 167     {
 168         GSS_C_MA_PFS,
 169         GSS_MO_MA,
 170         NULL,
 171         NULL,
 172         NULL,
 173         NULL
 174     },
 175     {
 176         GSS_C_MA_CTX_TRANS,
 177         GSS_MO_MA,
 178         NULL,
 179         NULL,
 180         NULL,
 181         NULL
 182     },
 183     {
 184         GSS_C_MA_NEGOEX_AND_SPNEGO,
 185         GSS_MO_MA,
 186         NULL,
 187         NULL,
 188         NULL,
 189         NULL
 190     }
 191 };
 192
 193 static gssapi_mech_interface_desc sanon_mech = {
 194     GMI_VERSION,
 195     "sanon-x25519",
 196     { 10, rk_UNCONST("\x2b\x06\x01\x04\x01\xa9\x4a\x1a\x01\x6e") },
 197     0,
 198     NULL,
 199     _gss_sanon_release_cred,
 200     _gss_sanon_init_sec_context,
 201     _gss_sanon_accept_sec_context,
 202     _gss_sanon_process_context_token,
 203     _gss_sanon_delete_sec_context,
 204     _gss_sanon_context_time,
 205     _gss_sanon_get_mic,
 206     _gss_sanon_verify_mic,
 207     _gss_sanon_wrap,
 208     _gss_sanon_unwrap,
 209     _gss_sanon_display_status,
 210     NULL, /* gm_indicate_mechs */
 211     _gss_sanon_compare_name,
 212     _gss_sanon_display_name,
 213     _gss_sanon_import_name,
 214     _gss_sanon_export_name,
 215     _gss_sanon_release_name,
 216     _gss_sanon_inquire_cred,
 217     _gss_sanon_inquire_context,
 218     _gss_sanon_wrap_size_limit,
 219     NULL, /* gm_add_cred */
 220     _gss_sanon_inquire_cred_by_mech,
 221     _gss_sanon_export_sec_context,
 222     _gss_sanon_import_sec_context,
 223     _gss_sanon_inquire_names_for_mech,
 224     _gss_sanon_inquire_mechs_for_name,
 225     _gss_sanon_canonicalize_name,
 226     _gss_sanon_duplicate_name,
 227     _gss_sanon_inquire_sec_context_by_oid,
 228     NULL, /* gm_inquire_cred_by_oid */
 229     NULL, /* gm_set_sec_context_option */
 230     NULL, /* gm_set_cred_option */
 231     _gss_sanon_pseudo_random,
 232     _gss_sanon_wrap_iov,
 233     _gss_sanon_unwrap_iov,
 234     _gss_sanon_wrap_iov_length,
 235     NULL, /* gm_store_cred */
 236     _gss_sanon_export_cred,
 237     _gss_sanon_import_cred,
 238     _gss_sanon_acquire_cred_from,
 239     NULL, /* gm_acquire_cred_impersonate_name */
 240     NULL,
 241     NULL,
 242     NULL,
 243     NULL,
 244     NULL,
 245     NULL,
 246     sanon_mo,
 247     sizeof(sanon_mo) / sizeof(sanon_mo[0]),
 248     NULL, /* gm_localname */
 249     NULL, /* gm_authorize_localname */
 250     NULL, /* gm_display_name_ext */
 251     NULL, /* gm_inquire_name */
 252     NULL, /* gm_get_name_attribute */
 253     NULL, /* gm_set_name_attribute */
 254     NULL, /* gm_delete_name_attribute */
 255     NULL, /* gm_export_name_composite */
 256     _gss_sanon_duplicate_cred,
 257     _gss_sanon_add_cred_from,
 258     NULL, /* gm_store_cred_into */
 259     _gssspi_sanon_query_mechanism_info,
 260     _gssspi_sanon_query_meta_data,
 261     _gssspi_sanon_exchange_meta_data,
 262     NULL, /* gm_store_cred_into2 */
 263     NULL, /* gm_compat */
 264 };
 265
 266 gssapi_mech_interface
 267 __gss_sanon_initialize(void)
 268 {
 269     return &sanon_mech;
 270 }