lib/gssapi/krb5/inquire_names_for_mech.c

   1 /*
   2  * Copyright (c) 2003 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 "gssapi_locl.h"
  35
  36 RCSID("$Id$");
  37
  38
  39 static gss_OID *name_list[] = {
  40     &GSS_C_NT_HOSTBASED_SERVICE,
  41     &GSS_C_NT_USER_NAME,
  42     &GSS_KRB5_NT_PRINCIPAL_NAME,
  43     &GSS_C_NT_EXPORT_NAME,
  44     NULL
  45 };
  46
  47 OM_uint32 gss_inquire_names_for_mech (
  48             OM_uint32 * minor_status,
  49             const gss_OID mechanism,
  50             gss_OID_set * name_types
  51            )
  52 {
  53     OM_uint32 ret;
  54     int i;
  55
  56     *minor_status = 0;
  57
  58     if (gss_oid_equal(mechanism, GSS_KRB5_MECHANISM) == 0 &&
  59         gss_oid_equal(mechanism, GSS_C_NULL_OID) == 0) {
  60         *name_types = GSS_C_NO_OID_SET;
  61         return GSS_S_BAD_MECH;
  62     }
  63
  64     ret = gss_create_empty_oid_set(minor_status, name_types);
  65     if (ret != GSS_S_COMPLETE)
  66         return ret;
  67
  68     for (i = 0; name_list[i] != NULL; i++) {
  69         ret = gss_add_oid_set_member(minor_status,
  70                                      *(name_list[i]),
  71                                      name_types);
  72         if (ret != GSS_S_COMPLETE)
  73             break;
  74     }
  75
  76     if (ret != GSS_S_COMPLETE)
  77         gss_release_oid_set(NULL, name_types);
  78
  79     return GSS_S_COMPLETE;
  80 }