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 "gsskrb5_locl.h"
  35
  36 static gss_OID *name_list[] = {
  37     &GSS_C_NT_HOSTBASED_SERVICE,
  38     &GSS_C_NT_USER_NAME,
  39     &GSS_KRB5_NT_PRINCIPAL_NAME,
  40     &GSS_C_NT_EXPORT_NAME,
  41     NULL
  42 };
  43
  44 OM_uint32 _gsskrb5_inquire_names_for_mech (
  45             OM_uint32 * minor_status,
  46             const gss_OID mechanism,
  47             gss_OID_set * name_types
  48            )
  49 {
  50     OM_uint32 ret;
  51     int i;
  52
  53     *minor_status = 0;
  54
  55     if (gss_oid_equal(mechanism, GSS_KRB5_MECHANISM) == 0 &&
  56         gss_oid_equal(mechanism, GSS_C_NULL_OID) == 0) {
  57         *name_types = GSS_C_NO_OID_SET;
  58         return GSS_S_BAD_MECH;
  59     }
  60
  61     ret = gss_create_empty_oid_set(minor_status, name_types);
  62     if (ret != GSS_S_COMPLETE)
  63         return ret;
  64
  65     for (i = 0; name_list[i] != NULL; i++) {
  66         ret = gss_add_oid_set_member(minor_status,
  67                                      *(name_list[i]),
  68                                      name_types);
  69         if (ret != GSS_S_COMPLETE)
  70             break;
  71     }
  72
  73     if (ret != GSS_S_COMPLETE)
  74         gss_release_oid_set(NULL, name_types);
  75
  76     return GSS_S_COMPLETE;
  77 }